Excluding a folder from Windows Defender scan

Microsoft has presented its next version of their flagship product, Windows 11, and feelings are divided among users. Some users like it very much and eager to upgrade, some do not like the graphic overhaul it went through, but overall I think Microsoft has done a good job with it. Here in this article, we will discuss some of the new features which Windows brings to the table, well at least ones that were showed, I am sure there are plenty more which we will see once OS has been released.

New Start menu

One of the first things that everyone saw when Microsoft has unveiled Windows 11 is its Start menu. Funny enough this is what has caused most of the divide among users, some find it interesting, and some do not like it. Truth is, it is different, and it is centered in the middle instead of the lower left part of the screen. It has been confirmed however that the Start menu can be moved to any part of the screen so if you want, you could place it on the lower left as it has always been. Live tiles do not longer exist in the Start menu, instead, we have styled simple icons.

Windows 11 Snap controls are great

If you have used the cascade option in previous Windows versions then it is most likely that you will like the new Snap controls. You can quickly snap windows side by side, or arrange them in sections on your desktop just by hovering over maximize button on the title bar.

Windows 11 File Explorer

File explorer has gone through some visual and design changes, the ribbon on top has been completely removed and replaced with a header-like feature with a slick and clean design. The header contains a nice organized and designed single row of icons like cut, paste, copy, rename, delete, and new folder icons.

Settings app ovberhaul

The settings app also has gone through visual and design changes. It has a new design that is very visually appealing and navigation has been simplified and more organized. Finding the right and desired setting is much faster and clearer now.

Widget tab makes comeback in Windows 11

Yes, widgets are back but not like you remember them. Instead of being all-time present at your desktop like once they used to be, now there is a button on the taskbar which brings the widget bar up that contains desired widgets. This way they are easily accessible and do not clutter desktops. So far we have weather, news, calendar, and stocks widget but we will see how development on these goes. I expect to have community-made widgets like in old days for all of our needs.

XBOX app

The new Xbox app is now integrated into Windows 11, offering quick access to Xbox Game Pass games, the social parts of the Xbox network, and the Xbox store.

Security and TPM 2.0 in Windows 11

As widely known by now Windows 11 will require you to have a TPM 2.0 module capable CPU in order to install it. This system requirement has caused a lot of controversies but essentially it seems that MS's goal is to protect your personal data by using this module. The upside of course is that your data will be protected much more than in previous Windows versions, the downside, of course, will be that you will need newer hardware to run OS on it. and that is essentially it, keep on tuned on more Windows 11 information and overall articles tied to PC and technology here at errortools.com

One of the popular tools that allow a user to offer or obtain remote assistance on a computer is the TeamViewer. It is available on all the major computer and mobile platforms which makes it a lot useful to every kind of user, even on the go. If you are one of the users who frequently use TeamViewer, then you must be familiar with this one sentence that states, “Initializing display parameters”. In common cases, this sentence will appear for a second and load the other user’s screen. However, some users reported that TeamViewer gets stuck on that stage and did not move ahead even a bit. If you experience the same problem, read on as this post will guide you in fixing this issue with TeamViewer on your Windows 10 computer. At the time of writing, the cause of this issue is still unclear. It could be due to the quality of internet connection, conflicts in process, misconfiguration of Remote Access, and many more. To fix this issue, you can try to update TeamViewer for both the users or have it reinstalled with Unattended Remote Access, or reconfigure the Remote Access. You can also try to kill any conflicting processes or optimize your internet connection. For more details, refer to the given options below.

Option 1 – Reboot your router

The first thing you can try to do to fix the error is to simply restart your router. All you need to do is reboot the router from its Admin panel or you can also turn it off manually and turn it back on after a couple of seconds so that it can completely reboot. Once you’re done, try accessing your server again and see if the error is now fixed.

Option 2 – Try to update TeamViewer on both users’ end

You might have to update the TeamViewer on both ends and to do that, you need to start the TeamViewer installer again. Once it is installed, run the program and click on the Help option in the Menu ribbon and then select the “Check for updates…” option. If an update is found, you will be notified within a couple of seconds through a pop-up mini window. From there, click on Update and then follow the next onscreen instructions that appear and choose your TeamViewer version to update.

Option 3 – Try reinstalling TeamViewer via the Unattended Remote Access

If the first two given options didn’t work, you might have to reinstall TeamViewer from the Windows 10 Settings app or Control Panel.

• Tap the Win + R keys to launch the Run utility and type “regedit” in the field and hit Enter to open the Registry Editor.
• Here, navigate to this registry key: Computer HKEY_LOCAL_MACHINE SOFTWARE Wow6432Node TeamViewer
• Next, look for the TeamViewer key and right-click on it, and select Delete.
• After that, restart your PC to apply the changes made and then start TeamViewer again, and then click on Connection > Open Management Console.
• Then sign in or sign up to get registered and select the Add new device radio button under Add > Add computer located on the top-right corner and then select the Download now option.
• Now follow the next onscreen instructions that appear to complete the installation and then check if it fixes the problem or not.

Option 4 – Try reconfiguring the Remote Access

You can also try to reconfigure Remote Access in case there is some misconfiguration that might have caused the problem with TeamViewer.

• On your Desktop, right-click on This PC and click on Properties.
• Next, go to the left side of the navigation panel and click on Remote Settings.
• From there, make sure that the “Allow Remote Assistance Connections to this computer” checkbox is checked under the Remote Assistance section.
• Once done, click on the Advanced button. This will open a new mini window where you’ll have to check the “Allow this computer to be controlled remotely” option under the Remote Control section.
• Then click on OK and see if it fixed the problem.

Option 5 – Try to kill any conflicting processes

• Tap the Ctrl + Shift + Esc key combination to open the Task Manager.
• Then navigate to the Processes tab and right-click on the BGInfo process.
• Now select the End Task option to kill its process and then start TeamViewer again and check if the problem is resolved.

Option 6 – Try to optimize the quality of connection

You need to take care of two things under this option – first, you have to disable the loading of the Wallpaper of the computer which is the one that you’re trying to access remotely. To do that, you have to select the Extras menu from the menu ribbon and then select Options. And under the Remote Control section, check the “Remove remote wallpaper” option. The next thing you have to do is to optimize the quality for the speed by selecting the “Optimize Speed” for the menu of Quality still under the Remote Control section.

0x800ccc92 - What is it?

The 0x800ccc92 is a Microsoft Outlook error. The error restricts your ability to send and receive emails on your Outlook email address successfully. This error is very similar to 0x800cc90 and 0x800ccc91 Outlook error codes. The 0x800ccc92 error message is often displayed as:

‘Receiving reported error (0x800ccc92): Your email server rejected your login.’

This error is quite common and is faced by many Microsoft Outlook users. It is advisable to fix this error immediately because besides restricting you from sending and receiving emails via Outlook, due to this error the data on your Outlook also becomes inaccessible and unreadable, and sometimes Outlook also begins to freeze unexpectedly.

Error Causes

Some of the most common causes of the error code 0x800ccc92 are:

• PST files get corrupt
• Incorrect Outlook configuration settings
• PST file crosses its fixed file size limit
• Failure of POP3 and Protocol STMP in database server connection
• Improper synchronization between Outlook and the server
• Usage of invalid password or username
• Virus Infection

Further Information and Manual Repair

Any of the above causes may result in the 0x800ccc92 error message display. If you encounter this Outlook error, you don’t need to panic and call the network personnel in your office to fix and repair the error. In fact, it is very easy to fix and you can repair it by yourself: Here are some of the best and easy ways to resolve this error in the shortest time:

• If the error message 0x0800ccc92 is displayed as POP3: Invalid Password, then in this case it is advisable to cross-check your Outlook account ID and password. Sometimes this error message may pop up if you insert an incorrect password or ID. Therefore the best way to resolve it to check where you went wrong and then re-enter your ID and Password correctly.

If the error is not related to POP3 (Post Office Protocol) then you can try some other alternative to resolve this issue.

• Another alternative is to install the latest available Server Service Pack for Exchange. This solution works best if compatibility is the issue.
• However, when nothing works, then it is advisable to download PST repair tool. The PST repair software is designed to scan, detect, repair, and resolve Outlook errors like 0x800ccc92.  The PST repair software is built with special algorithms that help repair PST corrupt files in seconds. This tool works on all Windows Operating Systems including Windows 8, Windows 7, Windows Vista, Windows XP, Windows 2003, and Windows 2008.

1. All you need to do is, download and install this software on your system.
2. Once you download it, run it on your PC to detect errors.
3. Press scan to get started
4. The scanning may take about a couple of minutes to complete.
5. Once it is complete, click on the repair tab to fix the errors.
6. Now restart your Outlook again and now try sending emails. This solution is likely to work if the above-mentioned solutions don’t.

A couple of Windows 10 users recently reported getting an error that says, “The group or resource is not in the correct state to perform the requested operation” while opening UWP Applications as well as accessing the File Explorer. You can encounter this kind of error mostly on File Explorer, Microsoft Store application, and other UWP applications. This indicates that this error occurs during both the Windows Classic Application and the Universal Windows Platform Applications. There are several ways to fix this error. You can try to run a System File Checker scan, or run the DISM tool or the Program Compatibility troubleshooter or Windows Store Apps troubleshooter or try to reset or reinstall Windows 10 or the affected application that's not working. However, before you do any of these troubleshooting tips, you can try to perform System Restore first as it could undo the changes you’ve made in the system which might have caused the error.

• Tap the Win + R keys to open the Run dialog box.
• After that, type in “sysdm.cpl” in the field and tap Enter.
• Next, go to the System Protection tab then click the System Restore button. This will open a new window where you have to select your preferred System Restore point.
• After that, follow the on-screen instructions to finish the process and then restart your computer and check if the problem is fixed or not.

If System Restore wasn’t able to fix the error, then you can refer to each one of the following options.

Option 1 – Try to use the DISM tool

You might want to repair potentially corrupted files in your system as having them could also trigger the “The group or resource is not in the correct state to perform the requested operation”. To repair these corrupted system files, you can run the DISM commands:

• Tap the Win + X keys and click on the “Command Prompt (Admin)” option.
• After that, input each one of the commands listed below sequentially to execute them:
  • Dism /Online /Cleanup-Image /CheckHealth
  • Dism /Online /Cleanup-Image /ScanHealth
  • Dism /Online /Cleanup-Image /RestoreHealth

• Once you’ve executed the commands given above, restart your computer and check if the DCOM error is now fixed.

Option 2 – Run the System File Checker Scan

Aside from the DISM tool, you can also run a System File Checker scan. It is another built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files to good system files that might be the cause why you’re getting the error. To run the SFC command, follow the steps given below.

• Tap Win + R to launch Run.
• Type in cmd in the field and tap Enter.
• After opening Command Prompt, type in sfc /scannow

The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:

1. Windows Resource Protection did not find any integrity violations.
2. Windows Resource Protection found corrupt files and successfully repaired them.
3. Windows Resource Protection found corrupt files but was unable to fix some of them.

• Reboot your computer.

Option 3 – Try to run the Program Compatibility Troubleshooter

You might also want to run the Program Compatibility Troubleshooter. This built-in troubleshooter is available in the Windows Update & Security section. From there, select Troubleshoot. This will find a list of programs for you and since you have already downloaded the driver files, just click on Not Listed located at the top of the program list. After that, browse and select the driver files and then let the program do its job. In addition, you can try to run the Windows Store apps troubleshooter as it can also help you resolve the problem.

Option 4 – Reset your computer

• Tap the Win key or click on the Start button located in the Taskbar.
• Then click on the Power button at the bottom right portion of the screen.
• Next, press and hold the Shift key on your keyboard and then click on Restart. This will restart your Pc into the Advanced Startup options.

Note: Once you have access to the Advanced Startup options, you have to go to the setting which allows you to Reset your Windows 10 PC. All you have to do is select Troubleshoot > Reset this PC to reach the following screen

• Afterward, select either the “Keep my files” option and then proceed to the next on-screen instructions that follow to reset your Windows 10 computer without losing your files.

If you don’t have the required drivers installed in your computer, the hardware that you try to connect to your computer will most likely fail. In order to keep the operating system running on your computer, manufacturers develop drivers that can work harmoniously with your devices and applications. However, internet Wi-Fi connections can fail if suitable drivers are not installed. Worry not though for this post will guide you in installing Wi-Fi drivers on your Windows 10 computer. As you know, a driver is an essential piece of software designed for a specific operating system like Windows 10, Linux, and many more. The operating system uses it to communicate with other hardware devices such as printers and mice. Most hardware manufacturers feature a support page of their own product where you can look for the necessary drivers available for download. You will see that the Windows operating system has a set of drivers that are already installed and you do not have to do anything except plug in the device. So if the driver is not locally available, it will pull it down from its web server and automatically install it for you after you connect the device. However, there are instances when you might encounter some issues while using your Wi-Fi and during these times, you might have to reinstall your Wi-Fi drivers so read on as this post will provide you guidelines in installing Wi-Fi drivers in Windows 10. Refer to the steps below to do so. Step 1: First, go to your manufacturer’s website and look for the right driver you want to install to download your Wi-Fi driver. Step 2: After that, you have to download the correct Wi-Fi driver if it’s available. You have to know the exact name and version of the driver so that you can download it and this information can be found from the Device Manager. Just make sure that you have the right wireless adapter driver downloaded. Step 3: Once done, open the setup of the new driver that you’ve downloaded earlier and run the file and then follow the next on-screen instructions that appear right after. Step 4: You’re not done yet as you need to verify if you have downloaded and installed the correct Wi-Fi driver. Refer to the sub-steps below to do so:

• First, right-click on the Start button and select the Device Manager to open it.
• From there, look for the Network Adapters and expand its category to make all the network adapters visible including the wireless adapter.
• You can easily spot the wireless adapter as it has the “wireless” term in its entry.
• Next, right-click on the wireless driver entry in the Device Manager and select Network adapters, and then click on Properties to check the version number of the driver.
• Now select the Driver tab and view the details. If it looks well then it means that you have the right version of the driver installed.

Step 5: Restart your computer.

What is 0x3D55? As you know, Windows 10 is loaded with various Universal Windows Platform or UWP apps such as the Microsoft News, Weather, Calculator, Windows Mail, and many other applications that are based on the modern UWP platform of Microsoft that was introduced in Windows 10. Each one of these apps has a shared piece of code in the kernel for them to be able to get executed across any device that runs the Windows 10 OS which includes laptops, PCs, 2-in-1 devices, mobile phones, mixed reality headsets, and many more. However, there are times when the runtime information for these apps ends up getting corrupted which causes them not to function as expected and throws errors like the error 0x3D55. This kind of error can be pinned down when the UWP app malfunctions and you can also find an error message in the Event Log that reads, “0x3D55: Package family <App name with ID> runtime information is corrupted”. So if you encounter this error, read on for this post will walk you through fixing it. There are three suggestions you need to check out to fix this error – first, you can try to reset the Microsoft Store cache, second, you can try to re-register or reinstall the problematic app and lastly, run the Windows Store App troubleshooter.

Option 1 – Try to reset the Microsoft Store cache

Just like browsers, Microsoft Store also caches as you view apps and games so it is most likely that the cache is no longer valid and must be removed. To do so, follow the steps below.

• Right-click on the start button and click on Command Prompt (administrator).
• Next, type in the command, “wsreset.exe” and tap Enter. Once you do, the command will clear the cache for the Windows Store app.
• Now restart your PC and afterward, try opening Microsoft Store again and then try to install your app or update your computer again.

Option 2 – Run the Microsoft Store Apps troubleshooter

The Microsoft Store Apps Troubleshooter will help you in fixing the error 0x3D55. This is a great built-in tool from Microsoft that helps users fix any app installation issues. So this is worth a try to solve the problem. This built-in tool also helps you fix the Windows 10 Store if it isn’t working. To use the Windows Store Troubleshooter, follow the steps below.

1. Tap Win + I keys again to open the Windows Settings panel.
2. Go to Update & Security and then go to Troubleshoot.
3. On your right-hand side, scroll down to find the Windows Store Apps and then click on the Run the troubleshooter option and see if it fixes the problem.

Option 3 – Try to re-register the UWP app via PowerShell

• First, type “command prompt” in the Start Search and right-click on Command Prompt and then select the “Run as administrator” option.
• Next, navigate to this location in the command line utility: C:/Users/<Insert Username>/AppData/Local/Packages
• After that, execute the “DIR” command to view the list of all the directories in the given location.
• Once the list appears, look for the ID of the problematic app and take note of it.
• Now tap the Win + X key combination or right-click on the Start button and click on the Windows PowerShell (Admin) option.
• If a User Account Control or UAC prompt appears, just click on Yes to proceed and open the Windows PowerShell window.
• Next, type in or copy-paste the following command to re-register the Microsoft Store app and tap Enter:

PowerShell -ExecutionPolicy Unrestricted -Command "& {$manifest = (Get-AppxPackage Microsoft.<YOUR APP ID HERE>).InstallLocation + 'AppxManifest.xml' ; Add-AppxPackage -DisableDevelopmentMode -Register $manifest}"

• Wait for the process to be completed and then restart your computer.

Computer viruses are malicious applications that have the ability to self replicate and spread over the system and various devices, just like viruses in organisms. We all know that computer viruses are bad and that you should avoid them however you can. So in this spirit, we are taking a deeper dive into what kind of viruses exist and how they function.

1. File-infecting Virus

A virus that attached itself to an executable program. It is also called a parasitic virus which typically infects files with .exe or .com extensions. Some file infectors can overwrite host files and others can damage your hard drive’s formatting.

2. Macro Virus

This type of virus is commonly found in programs such as Microsoft Word or Excel. These viruses are usually stored as part of a document and can spread when the files are transmitted to other computers, often through email attachments.

3. Browser Hijacker

This virus targets and alters your browser setting. It is often called a browser redirect virus because it redirects your browser to other malicious websites that you don’t have any intention of visiting. This virus can pose other threats such as changing the default home page of your browser.

4. Web Scripting Virus

A very sneaky virus that targets popular websites. What this virus does is overwrite code on a website and insert links that can install malicious software on your device. Web scripting viruses can steal your cookies and use the information to post on your behalf on the infected website.

5. Boot Sector Virus

These viruses are once common back when computers are booted from floppy disks. Today, these viruses are found distributed in forms of physical media such as external hard drives or USB. If the computer is infected with a boot sector virus, it automatically loads into the memory enabling control of your computer.

6. Polymorphic Virus

This virus has the capability to evade anti-virus programs since it can change codes every time an infected file is performed.

7. Resident Virus

A resident virus stores itself on your computer’s memory which allows it to infect files on your computer. This virus can interfere with your operating system leading to file and program corruption.

8. Multipartite Virus

A type of virus that is very infectious and can easily spread on your computer system. It can infect multiple parts of a system including memory, files, and boot sector which makes it difficult to contain.

Many users would probably agree that the Windows Media Player, in most cases, is a lot better than the Groove. Although it is understandable why the Groove Music app was created, it may be time for Microsoft to bring its focus back on Windows Media Player. Even more, so that some users are experiencing an issue where they were not able to play their playlist in the Windows Media Player on their Windows 10 PCs. One particular user claimed that when he removed his music from the C drive and transferred them to the C drive for some reason he didn’t state. Right after he did that, any attempts to play songs in the Windows Media Player just don’t seem to work. Transferring music to a different location shouldn’t cause any issue but for some unknown reason, it did. According to security experts, the reason why the Windows Media Player didn’t play the playlist is that it still believes that the songs are still located in the C drive when they’re really not. So the question here is, how can you get the Windows Media Player to recognize the exact and correct location of the songs? Worry not, for this post will show you how exactly you can do that. Carefully follow each one of the instructions given below to fix the Windows Media Player issue.

Option 1 – Try running the WMP Troubleshooters

In case there are any issues with the Windows Media Player, you can always count on the WMP Troubleshooters to fix the problem for you. These built-in troubleshooters, namely, Windows Media Player Library and Windows Media Player DVD Troubleshooters can help you fix the problem, so run them both and see if you can now play those songs or not.

Option 2 – Try rebuilding the Windows Media Player Database

If the first option didn’t work for you, you might have to rebuild the Windows Media Player database. You can do this by following the steps below.

• Tap the Win + R keys at the same time to open the Run dialog box.
• After that, copy and paste this command in the field: %userprofile%Local SettingsApplication DataMicrosoftMedia Player
• Once you’ve pasted the command, hit Enter then you will see a new File Explorer which is the folder for the Media Player. You will have to delete every item in this folder, except for the folders. Meaning to say, you must only delete the individual contents inside but not the folders.
• Now launch the Windows Media Player again and watch as it rebuilds the music library automatically.

A lot of users prefer to use Microsoft OneDrive when it comes down to cloud storage as it does not only come with the seal of approval from Microsoft but it’s also primarily good and better compared to other cloud storage services. However, that doesn’t mean that OneDrive isn’t without any issues. For one, you might encounter an issue where the OneDrive thumbnails do not show in File Explorer in Windows 10. If you are currently experiencing this problem, read on as this post will help you fix it. As you know, you can add OneDrive to your Windows 10 computer and have all the files locally synchronize to the cloud and so on. This means that whatever is available in the cloud will be seen on your computer. It is smooth and definitely saves you a lot of time which is why a lot of users prefer to use it. So if you suddenly not see any thumbnails in OneDrive, then that would be a problem. You are actually not the only one having this problem as there are other users who reported getting the same issue recently about the picture thumbnails that no longer show up in the OneDrive folders in the File Explorer. At the time of writing, it isn’t clear yet what the cause of the issue really is. Even so, there are still potential fixes you can check out to resolve it, and the sooner you do it, the better as this can be a major problem. To get started, refer to the instructions given below.

Option 1 – Try to disable Files on Demand

The first thing you can do to fix the problem is to disable the Files on Demand. This is what you have to do to get things under control.

• First, right-click on the OneDrive icon located in the taskbar and go-to of OneDrive.
• After that, click on More and Settings. This will open a new window where you have to click on the Settings tab and uncheck the “Files on Demand” service.
• Once done, restart your computer and check if you can now see the thumbnails in the OneDrive folder. However, if it didn’t work, then proceed to the next given option below.

Option 2 – Try to change the icon view

The next thing you can do to fix the problem is to change the icon view. It is possible that the problem might have something to do with the size of the icons than anything else. So you have to change the icon view and to do that, follow these steps:

• First, open Control Panel in Windows 10.
• Next, in the search box, type “folder” and then click on the File Explorer Options.
• From there, click on the View tab and uncheck the “Always show icons” option, and make sure that showing thumbnails is active.
• Now go back to Control Panel and type “system” in the search box. This will open a new window where you have to select the “View advanced system settings” option.
• Then under the Performance section, click on Settings and click on the option that allows you to show the thumbnails instead of icons.

If you have just updated your Mozilla Firefox browser as of late and you noticed that it’s showing wrong or no bookmark favicon at all, then read on as this post will provide you with potential solutions that can help you resolve the problem. The basic thing you can do to fix it is to either refresh or reset the cache for favicon and then force restart the favicon service. However, if you’ve already tried this and it didn’t work, then there are still other options you can try. You can try to rebuild the configuration file for the favicon or restart the favicon service. You could also try disabling all the add-ons on your browser or scan your computer for adware. For more details, refer to each one of the options laid out below.

Option 1 – Try to rebuild the favicon configuration file

Mozilla Firefox actually creates a file each time you bookmark a webpage and this is called “favicons.SQLite”. This file is located on your computer and for you to fix the issue in Firefox, you need to rebuild this file and in order to do that, follow these steps:

• First, you need to unhide the hidden files in your computer by enabling the “Show hidden files” option so that you’ll be able to see the hidden files in your computer.
• After that, navigate to this path: C:Usersyour_usernameAppDataLocalMozillaFirefoxProfilesyour_profile_name
• From there, you need to find the “favicons.SQLite” file and once you found it, delete it.
• Next, you have to open the Firefox browser and create the same favicon configuration file which should be automatically created.
• Now check if you can now see bookmark favicons on your Firefox browser or not.

Option 2 – Try to restart the favicon service

If the first option didn’t work, you can try to restart the favicon service instead. Restarting the favicon service can help if you do not see the correct bookmark favicon on your Firefox browser. To restart this service, follow the steps below.

• You need to first open the Firefox browser and in the address bar, type “about:config” and tap Enter.
• After that, you will see a page that displays a warning message. On that page, you need to click the “I accept the risk!” button to proceed.
• Next, using the search box on the page, look for the “devtools.chrome.enabled” option. The value for this option should be set to “False” by default.
• Double click on this option to set its value to “True”.
• Once done, go to Menu > Web Developer > Browser Console or you could also tap the Ctrl + Shift + J keys, alternatively.
• Afterwards, paste this command in the pop-up window that appears and then tap the Enter button: var fS = Components.classes["@mozilla.org/browser/favicon-service;1"] .getService(Components.interfaces.nsIFaviconService); fS.expireAllFavicons();
• Once you’re done, restart your Firefox browser to check if it fixes the problem or not.

Option 3 – Try to disable all the add-ons in Firefox

The next option you can try to fix the problem is to disable all the installed add-ons in Firefox. More often than not, add-ons can cause issues in the browser so it is possible that one of the add-ons in Firefox is causing it to show incorrect or no bookmark favicon. To resolve this problem, you have to disable all the add-ons by opening Firefox and then going to Menu > Add-ons or you could also tap the Ctrl + Shift + A keys. After that, go to the Extensions section and click on the respective Disable buttons for each one of the add-ons. Once done, restart your computer and check if you can now see the bookmark favicons or not.

Option 4 – Try scanning your computer using Windows Defender

It is possible that the bookmark favicon problem is caused by some adware in the Firefox browser so you have to scan your computer to check by using security programs like Windows Defender.

• Tap the Win + I keys to open Update & Security.
• Then click on the Windows Security option and open Windows Defender Security Center.
• Next, click on Virus & threat protection > Run a new advanced scan.
• Now make sure that Full Scan is selected from the menu and then click the Scan Now button to get started.