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Although PDF files are convenient to use, sometimes it becomes a stumbling block when you can’t open them. It is a common problem that everyone faces. So, you are not alone.

Your PDF might not open if the file is corrupted due to the download, storage, and file transfer error. Or, it can be a minor cause like you don’t have a PDF reader program on your device. 

However, you can be at ease as there are simple fixes that’ll solve your problem. Go through this article to learn 11 fixes for your PDF not opening. 

Why Won’t My PDF Open?

The most general reason why your PDF file won’t open is if it has downloading errors. However, there can be other factors. Find it out below.

No PDF reader on the device

Password-protected file

Virus or Malicious data in PDF file

File Incompatible with the PDF reader program

Older version of Adobe reader

Large PDF file size

How to Fix PDF Not Opening?

You cannot open a PDF file if there is no PDF reader program on your device. So, you can install Adobe Acrobat Reader or any other reader to fix the issue. Then, try opening it from the app. 

Similarly, your PDF won’t open if it is protected. So, before implementing other fixes, you can try unlocking the PDF and opening it. Besides, here are 11 fixes you can try to open your PDF.

Unlock PDF File 

Usually, some users protect their PDF file if it is confidential. So, if you don’t have access to the password for the file, you won’t be able to open it. In such a case, you need to unlock a PDF file to open it. Then, you can open the file with Adobe Reader.

Set Adobe Acrobat DC as a Default Program

Although you’ve installed Adobe Reader on your PC, it might open on a different app or browser. For instance, Microsoft Edge is the default browser to open PDF files in Windows 10 and 11. So, you must set Adobe Reader as the default program. Check out the steps below.

On Windows

On Mac

Resize the PDF

If the file size of the PDF is too large, it will take a lot of time to download it. So, you will have trouble opening the file. In such case, you can resize the PDF file, i.e., compress the size of the PDF file into a lesser app size. You can also go to the official Adobe website and resize the PDF. 

Update Adobe Acrobat Run Compatibility Mode

You might have trouble opening the PDF when switching to new Windows version. Sometimes there can be a conflict between the new system and app. Thus, there might be compatibility issues. However, you can run from the compatibility mode feature of Adobe Acrobat Reader to fix it. You can change it to normal at any moment. Find out the steps below.

Turn Off the Protected Mode at Startup

If you’ve turned on protected mode on Adobe reader, it will block the PDF file with viruses or suspicious contents. However, sometimes this feature might misread files that are not malicious. In such case, you can turn off the protected mode temporarily and try opening the PDF file. Find out the steps below.

Repair Installation 

Your PDF won’t open if the system malfunctions within the Adobe acrobat. However, there is a repair installation option to solve the issue. So, follow the given steps to repair the installation.  

Reinstall Adobe Acrobat reader

You can delete the Adobe app from your device and install it again. It will erase all data including bugs and glitches.

To uninstall the app on Windows and Mac, please follow the given steps:

On Windows

On Mac

You can install the Adobe Acrobat Reader again by logging into their official website.

Use an Older Version of the PDF Reader

Although newer versions of Adobe bring system improvements and fixes, sometimes there might be unexpected errors with the updates. This will cause you trouble while opening PDF. If your older version works fine, you can switch to it. You can delete Adobe and install older versions again. 

Request to Resend the PDF File 

While opening a PDF file in Adobe Reader, the file should meet the particular standard set by the program. So, your PDF file won’t open if the file is damaged or consists of malicious data.  

For security reasons, Adobe reader will block any suspicious PDF file from opening. Since the damaged file won’t open, you can ask the sender to transfer the PDF file again. 

Try Another PDF Reader

If you still can’t open the PDF with the Adobe Acrobat Reader, the last resort is to contact the Adobe help center or try other PDF reader programs. You can find various programs online. 

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Musicbee Won’t Open In Windows 11/10

The problem we will tackle in this guide is where MusicBee refuses to open when you attempt to launch it. The most common cause of this challenge is that it gives your antivirus software false positives, and the antivirus blocks it in turn. MusicBee could also fail to run due to compatibility issues or software conflicts.

In this tutorial, I’ll explain the best solutions to fix your MusicBee and get it to run whenever you need it.

MusicBee won’t open in Windows 11/10

If your MusicBee player won’t open in Windows 10, there are a few solutions that have been confirmed to fix the issue. Try the methods in the list below:

Temporarily disable your antivirus software.

Turn on DEP for only essential programs and services only.

Use MusicBee in Windows compatibility mode.

Reinstall MusicBee

Use MusicBee Portable edition.

Troubleshoot in Clean Boot State.

Now, let’s go into more in-depth explanations for the above solutions.

1] Temporarily disable your antivirus software

If your MusicBee application doesn’t open, the first suspect is that your security software might’ve identified it as malicious and is blocking it from launching. We never recommend that you use your PC without antivirus protection.

However, to confirm that the antivirus isn’t blocking the program, you can disable it temporarily. With the antivirus disabled, attempt to run MusicBee again and see if it now opens. Most antivirus tools allow you to add specific programs to their whitelist, and this is a better option than disabling the tool entirely. So, if you have this choice, you can do whitelist MusicBee and try to open it again.

2] Turn on DEP for essential programs and services only

Go to Advanced system settings from the left-hand panel.

Select Settings from the Performance section.

3] Use MusicBee in Windows Compatibility mode

Alternatively, if MusicBee ran on an earlier edition of Windows, and you’re sure of this Windows version, you don’t have to run the compatibility troubleshooter.

Instead, check the Run this program in compatibility mode for: checkbox and select the Windows version from the dropdown menu there.

4] Reinstall MusicBee

Uninstall and then reinstall MisicBee software and see if it helps.

5] Use MusicBee Portable edition

If you try all the solutions on this page but haven’t had any luck fixing MusicBee, you may want to use the portable version of the player. Simply visit MusicBee’s download web page and get the setup for MusicBee Portable. Download MusicBee Portable on your PC and run it instead.

6] Troubleshoot in Clean Boot State

The final method we’ll explore is to eliminate software conflicts that might be preventing MusicBee from starting by performing a Clean Boot. Press the Windows key + R combination to invoke the Run dialog box.

In the Run dialog box, type MSConfig and hit ENTER.

Unmark the Load startup items checkbox and mark the Use original boot configuration and Load system services settings checkboxes.

Switch to the Services tab and unmark the checkbox beside Hide all Microsoft services.

Restart your computer now and try opening MusicBee after the machine comes back on.

If MusicBee works this time around, then a running process or application was the culprit. You need to identify it and remove it, if possible.

All the best.

How To Fix Sound Delay On Tv? 8 Proven Ways

It might not be a pleasant experience if the audio lags while streaming video on TV. The issue is generally due to poor signal quality or the use of an inappropriate audio format. However, trying to play an unsupported video codec might also be culpable.

The sound delay crops up when there is a significant time gap in the digital to analog-conversion of audio-video signals. Or in some cases, the cables used for transmitting audio may not support a higher bandwidth resulting in sound delay.

Luckily, the issue can be easily fixed with minor tweaks on the sound settings of your TV. You can even set the desired audio transfer rate that perfectly syncs with the video.

Since the sound delay problem on TV is not much of a hardware issue, making a few adjustments to the sound settings should fix the problem. However, you can always restart your TV and sound system as a preliminary fix. Also, don’t forget to check the connection between your TV and sound system.

Here, we have compiled a list of 8 ways to troubleshoot sound delay on TV. Let’s get straight into them.

The channel you are watching may be broadcasting content with delayed sound. So, the first thing you must do is to change the TV channel. If you face the issue only with a particular channel or every channel you watch, there is a problem with the TV signal. Please get in touch with the service provider.

Next, you can change the TV source. If you are streaming through a set-top box over an HDMI connection, stream a video through USB mode. If there is no audio delay while streaming through USB mode, contact the cable service provider and ask them to look into the problem.

However, if the cable provider reports everything as fine on their side, there is likely a problem with your TV. Please move to further fixes discussed below.

If there is sound delay only when streaming particular apps like Netflix or Hulu, there is probably a problem with the app itself. Clearing the cache and app data will help the application run smoothly and fix audio delay issues. Also, updating the application to the latest version can help. Likewise, check if you have a stable Internet connection.

Steps to clear cache data are quite similar in most TVs. Here, we are taking reference to the Samsung Smart TV for elucidation purposes.

You need to set the proper audio delay if you are using a soundbar or home theater system with your TV. Generally, 0 milliseconds is a preferred audio delay on the soundbar because using the audio delay settings on external speakers as well as the TV can create conflicts. Once you set the audio delay to zero on your soundbar, you can select the required delay on your TV.

Once you confirm the audio delay settings of external speakers, you need to adjust the audio settings on your TV. The audio settings should match the audio you are playing on the TV. Else, you may experience audio that is out of sync.

The ideal audio format for your TV is PCM. After setting the output audio to PCM, you should have no audio lag issue. Steps to change the audio format are similar in most TVs. Here we have taken the reference of Samsung TV and LG TV.

Some TV manufacturers like Samsung and LG also provide a built-in option to change the audio transfer rate. With this, you can solve the lip-sync problem in your video. You can either delay or speed up the audio rate as per your requirement.

If your TV has a Game mode available, disabling it can help fix the sound delay on the TV. While your TV is in gaming mode, there is no overhead of additional image processing that helps reduce video lags, but the sound gets delayed. In such a case, disabling gaming mode can help.

Here, we are referencing Samsung TV to illustrate the steps to disable the Gaming mode.

Resetting sound settings can come in handy if you need help figuring out the best sound configuration for your TV or have misconfigured the audio settings. It will reset the customized sound profile on your TV, thus solving the issues with the sound delay.

Follow these steps to reset sound settings on your Samsung TV:

Outdated firmware also causes sound delays on TV. So, updating the TV firmware will solve if the delayed sound was due to a bug or glitch in the existing TV firmware. Many users in the community forum reported that they solved the issue after a firmware update. So, give it a try. You can consult our comprehensive guide on updating the TV firmware for different TV brands.

Windows 11 Defender Not Working: 5 Ways To Fix It

Windows 11 Defender Not Working: 5 Ways to Fix it




Users have been complaining that Windows Defender is not working on Windows 11. Another

third-party antivirus software could be related to this issue.

Enabling real-time protection might just be the answer to this problem.

Regularly checking for updates can also help you fix most Windows Defender errors.



Fix Windows 11 OS errors with Fortect:

This tool repairs common computer errors by replacing the problematic system files with the initial working versions. It also keeps you away from system errors, BSoDs, and repairs damages made by malware and viruses. Fix PC issues and remove viruses damage now in 3 easy steps:

Download and Install Fortect on your PC

Launch the tool and Start scanning to find broken files that are causing the problems

Fortect has been downloaded by


readers this month.

A significant part of every Windows version, Microsoft Defender, has become one of the most reliable programs to protect your device against malware.

So when an issue occurs and it doesn’t work properly or Windows 11 cannot open Windows Security, users turn to the Internet in search of causes and solutions to fix the error and get back the protection they need for their devices.

That is why we are going to take a look at the most common causes and show you how to get things on the right track.

How do I fix the Windows 11 Defender not working issue?

Before trying out more complicated solutions when your Windows Defender is not working, try out some of these quick fixes:

Restart your computer

Restart Windows Defender

1. Change the date and time 3. Enable real-time protection 4. Run a SFC scan 5. Change the Proxy Server

If you change your mind and want to give a try to a third-party tool, choose Bitdefender since it’s known for the high detection rates of the latest malware, along with unbeatable multi-layer ransomware protection.

This was our last solution for the Windows 11 Defender not working issue. Moreover, you can read more about the causes of this problem.

Why is my Windows Defender not working in Windows 11?

If you have third-party antivirus software installed on your computer, note that it might lead to certain Windows Defender errors.

Choose to use either Windows Defender or a third-party antivirus tool. Also, if you just got a new laptop, check if it came with a preinstalled antivirus trial version as this can stop Windows Defender to work properly.

Here is what Microsoft said regarding the compatibility with other antivirus products:

What happens when another non-Microsoft antivirus/antimalware solution is used? Can you run Microsoft Defender Antivirus alongside another antivirus product? The answers depend on several factors, such as your operating system and whether you’re using Microsoft Defender for Endpoint (Defender for Endpoint) together with your antivirus protection.

And if you work with programs like Flash or Java, you might need to uninstall the free security scanner which can cause some issues.

Although this might come as a surprise, another common reason why Windows Defender might not start is an incorrect time and date as most system functions are dependent on time and date.

Even more, an outdated PC can lead to many errors so we always recommend you perform a full update on your computer and on the antivirus as well.

If you’re having difficulties updating Windows Defender, you might need to install the virus definitions manually.

Windows 11 cannot open Windows Security

Expert tip:

Fore more info on what to do if Windows Security is not opening on Windows 11, check out our dedicated guide.

What does Windows Defender has to offer to Windows 11 users?

Windows Defender is pretty much the same as it was on the previous OS but there is one remarkable feature called Microsoft Defender Application Guard (MDAG) that you should know more about.

It is available for several types of devices such as enterprise desktops and mobile laptops, as well as personally-owned laptops that are managed through Microsoft Intune or a similar tool.

Designed for Microsoft Edge and for Microsoft Office, the main purpose for Microsoft’s Application Guard is to prevent developing attacks and improve employee productivity:

Microsoft Defender Application Guard (Application Guard) is designed to help prevent old and newly emerging attacks to help keep employees productive. Using our unique hardware isolation approach, our goal is to destroy the playbook that attackers use by making current attack methods obsolete.

The way the system works is quite easy to understand. For example, for Microsoft Edge or Internet Explorer, MDAG will help isolate previously defined untrusted sites, therefore, protecting your company from any attack.

If someone opens a page from an untrusted website, Microsoft Edge will open the page in an isolated Hyper-V-enabled container.

The course between the host PC and the isolated container – SOURCE:

You can choose which websites, cloud resources, or internal networks are to be trusted or not. Also worth mentioning is the fact that this feature doesn’t require Hyper-V to be turned on.

Now there you have it, the most likely situations that can create errors and the solutions to fix them on your Windows 11 device.

Moreover, if your Windows Defender is turned off on your Windows 11 PC, do not hesitate to edit your registry in order to enable it back on.

And if the Windows Defender service won’t start, make sure to clean your registry and check your environment variables.

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Tv Won’t Turn On? Here’s How To Fix It

Your TV should turn on after pressing the power button on the remote. However, sometimes, the TV may refuse to turn on.

This issue primarily arises due to hardware failure rather than software issues. Your TV may fail to turn on even if a minor hardware component is faulty. Glitches in the power circuitry and loose cable connections are the key causes of the problem. But, there may be significant issues like a blown fuse or capacitors which may require further troubleshooting.

Luckily, there are a few things that you can look after yourself before taking it to a repair center. Keep reading to fix your TV that won’t turn on.

If your TV doesn’t turn on, it might initially seem like a massive issue. However, you don’t need to panic. Provided that there is no major hardware failure, a few troubleshooting techniques can help you get your TV back.

The issue primarily arises due to power glitches in the circuit board of your TV. You can perform a soft reset and solve the glitch in such cases. Most of the time, a soft reset will solve the problem without further exploration.

To do a soft reset, unplug the power cable from the supply. Wait about a minute. Then, press the power button on the TV panel for about 30 seconds. It will help drain the residual power from the capacitors and solve the power glitch. Then replug the cable and try to turn on the TV. It should solve the problem.

Since the problem is directly concerned with the power supply, you should also check if the power cord of the TV is connected correctly to the wall socket. You can try changing the power socket. You can use an electric tester pin to determine if the socket is faulty.

If you don’t have one, connect another device, like a phone charger, to inspect if the power socket is faulty. If it works, there is no issue with the power socket; the power cord or TV is probably faulty.

Likewise, if the power cord is connected to a voltage regulator, remove it from there and connect it directly to the wall outlet, as a faulty voltage regulator will also prevent the TV from turning on. Next, you need to see if there is any breakage in the power cord. Inspect it thoroughly. If there is any breakage, you can quickly get a replacement cord.

Most modern TVs utilize a voltage level between 110-240 volts to operate correctly. Anything above or below the level can cause issues, and you can not turn on the TV.

You can see your home’s electrical distribution box or sub-meter to know what voltage your TV is getting. If you are using a voltage regulator or a surge suppressor, it will also show the input and output voltage. If it marks a voltage of anything lower than 110V or higher than 240V, the TV may not turn on. You need to contact the electricity distribution center to sort out the problem.

If the cable connections and voltage levels are fine, the power cable connector may need to be correctly connected to the TV. Unplug and re-plug it. Also, see if any debris has collected over the port, as it can interfere with the connection. You can use cotton swabs to clean the port and cable connector.

There can be two cases when your TV doesn’t turn on. First, the LED indicator on the TV glows, but it won’t turn on, and next, neither the LED indicator lights nor the TV turns on. In the former case, chances are high that there is an issue with the TV remote that you are using to turn on your TV.

Please check if the batteries are correctly placed and are not dead. You can try replacing batteries and attempt to turn on the TV again. If not, you can also use the power button on the TV panel to turn on the TV. Moreover, if anything is blocking the infrared receiver on your TV or remote, the IR signals can not transmit correctly from the remote and cause an issue. Verify if that’s the case as well.

Please take off your TV from the wall mount or cabinet and remove its back panel with the help of a screwdriver.

Locate the power circuit board. It is the one that is connected to the external power cord. You can quickly identify it once you dismantle the TV.

Once you do that, it’s time to begin the test.

You should first check if the main board on your TV is receiving power from the power supply board. For this, you need a multimeter. Then, you can start the diagnosing process. You need to check the AC input on the power supply board as well as the DC output from the supply board.

The power supply board has two sides: hot and cold. We measure AC on the hot side while DC on the cold side. Be careful with the hot side, as you can get electrocuted.

A blown fuse can cause the power circuit board to malfunction. It commonly blows out when there is a power surge or lightning strikes. To know if a fuse is blown, inspect the thin metallic wire inside the fuse. If there is a gap in between the wire or a dark smoky substance inside the fuse, you can confirm the fuse is blown. In such a case, you need to replace the fuse.

You can even perform a continuity test to know if a fuse is faulty.

The capacitor is the next component that can get damaged in the power circuit board. Capacitors get worn out over time, causing the power circuit board to crash.

So how do you know if the capacitor is bad? Identifying a damaged capacitor is easy. Simply inspect all the capacitors in the power supply board. If you see any of the capacitors bulging from the top or a liquid (electrolyte) leaking from the capacitor, it is damaged.

Replacing a damaged capacitor can be pretty sophisticated, and you need professional help. However, if you want to replace it on your own, you need to get exactly the same capacitor from the market. The rated capacitance, temperature, and voltage of the new capacitor should be identical to the damaged one.

But we don’t recommend replacing the capacitor on your own, as a slight mistake may end up damaging the entire power supply board.

Now that you performed a power supply test and diagnosed the fuse and capacitor, you must have figured out what is causing the power supply board to crash. If you see everything is fine, there is probably an issue with the display panel of your TV.

Display components like the backlight inverter and T-Con board are most susceptible to damage. Or, in the worst-case scenario, the display panel or the main board itself might be blown out. Please consult with a professional to figure out the case. If you find that your display is broken, please consult this comprehensive guide on how to fix a broken TV screen.

If there is massive damage to your TV, and you plan to purchase a new one, please consult this article on what to do with a broken TV.

12 Ways To Open Settings App In Windows 11 – Webnots

Once the Control Panel app was the heart of Windows OS allowed you to customize the appearance and its functions. Though Control Panel still exits, Microsoft moved most of its options to Windows Settings app in Windows 10. Subsequently in Windows 11, Settings app was completely redesigned with a new look and easy user interface. So, at this point opening Settings app in Windows 11 is the first thing you may need to do for changing any system settings. At least, you need to open this app frequently for using other features like accessibility or uninstalling apps.

Windows 11 Settings App

Below picture shows the default appearance of Settings app in Windows 11. As you can see, the app has sidebar navigation to quickly go to the required sections. You can also use the search box to find the settings easily.

Settings App in Windows 11

There are at least 10 different ways you can open the Settings app in Windows 11. Though some methods are lengthier and not making sense for you, it depends on the individual. For example, some users prefer to do everything from command line (Terminal) instead of moving through different screens. So, choose one or two methods that you like to open the app.

1. Keyboard Shortcut to Open Settings App

This is the simplest option and I love to use all times.

Press Windows Logo and I keys to open Settings app in Windows 11.

Though this method works on all Windows based machines, you may need to use different shortcut keys when running Windows 11 on other OS platforms. For example, “Command + I” may open the app when you run Windows 11 on macOS with virtual machine setup. Apps like Parallels Desktop for Mac make this kind of tasks easier allowing you to map Windows equivalent shortcuts using Mac keyboard.

2. Open Settings from Power User Menu

Next method is to select Settings from the power user menu in Windows 11. You can open the menu in one of the following ways:

Press Windows Logo and X keys to open the menu.

Open Settings App from Windows 11 Power User Menu

3. Open Settings App from Start Menu 4. Search and Open Settings App in Windows 11

Open Settings from Search Results in Windows 11

Note: Select “App settings” option showing in the right-pane to go the settings section of the Settings app. From where you can repair and reset to fix any problems you face with Settings app.

5. Use Cortana Search to Open Settings App

Cortana is one of the confusions in Windows OS messing with default Windows Search functions. Though Microsoft removed Cortana from the visible interface of Windows 11, the app still comes with OS and available for use. Open Cortana app from the Start menu list and login with your Microsoft account. Type or use voice input as “open settings” and Cortana will instantly open Settings app in a new window. You can also find a link to Settings app appears in Cortana chat box which you can use any time.

Use Cortana to Open Settings App

6. Open Settings App from Action Center

All Settings from Action Center

7. Open Settings App from Run Prompt

Press Windows Logo and R keys to open Run dialog box. Type ms-settings: in the box and press “OK” button. This is the command used in Windows 11 to open Settings app form Run.

Use Run Command to Launch Settings in Windows 11

8. Open Settings App from Windows Terminal

Now that Terminal app is the default command line interface in Windows 11, you can launch Settings app from there also. When you are in Terminal app, type start ms-settings: and press enter to launch Settings app in a new window. This command will work from both Command Prompt and Windows PowerShell interfaces.

Use ms-settings: Command in Terminal App

9. Open Settings App from Taskbar

Open Taskbar Settings in Windows 11

10. Open Settings from Desktop

You can also directly go to “Personalization / Display” settings in the app from your desktop.

Open Personalization or Display Settings

11. Create a Desktop Shortcut for Settings App in Windows 11

Pinned shortcut should be available in Start menu by default and you can pin the app to taskbar if needed. Other than this, you can also create a desktop shortcut if you really like that way.

Create Desktop Shortcut for Settings App in Windows 11

12. Use Task Manager to Open Settings App

The last method is to use the Task Manager app and open Setting app in Windows 11.

Press “OK” button to launch the Settings app in a new window.

Launch Settings from Task Manager

Final Words

Keyboard shortcut is the super easy way to open Settings app in Windows 11. However, you can also use the app’s shortcut from Start menu pinned list or pin it to taskbar for quicker access. If you are fond of Task Manager or Command Prompt, keep those methods as your preferred options.

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