Guide to Fixing PFN_LIST_CORRUPT Blue Screen

There is a lot of high resource utilization by any process that slows down a Windows operating system and one of the services that could cause such a thing is the utcsvc.exe process. This particular process at times can cause high CPU and disk usage. So if you are currently facing this problem, read on as this post will guide you on how you can resolve the problem. UTC which stands for Universal Telemetry Client is a software that runs a service named Diagnostic Tracking Service or DiagTrak. This service is used by Microsoft to collect customer feedback, analyze customer’s problems, and push resolution via updates in order to make the Windows 10 operating system better. This service is an executable file that could be translated to Service Host and even though the process does not usually cause problems, there are actually times when it does especially if it results in high resource utilization. In such cases, you might want to consider disabling it to fix its high CPU and disk usage.

According to Microsoft:

“We collect information about you, your devices, applications and networks, and your use of those devices, applications, and networks. Examples of data we collect include your name, email address, preferences, and interests; browsing, search and file history; phone call and SMS data; device configuration and sensor data; and application usage.”

There are several ways you can disable the utcsvc.exe process. You can disable it using the Service Manager, Registry Editor, and Group Policy Editor. For more details, refer to the instructions laid out below.

Option 1 – Disable the Connected User Experience & Telemetry Service via Service Manager

Note that this option is for standalone systems, so if you’re not using one, refer to the next given options below.

• Tap the Win + R keys to open the Run dialog box.
• Then type “services.msc” in the field and tap Enter or click OK to open the Services Manager.
• From the given list of services, look for the Connected User Experience service. Once you found it, click on it and you’ll see its description which states:

“The Connected User Experiences and Telemetry service enables features that support in-application and connected user experiences. Additionally, this service manages the event-driven collection and transmission of diagnostic and usage information (used to improve the experience and quality of the Windows Platform) when the diagnostics and usage privacy option settings are enabled under Feedback and Diagnostics.”

• Next, right-click on it and select Properties.
• Now, change its Startup Type to Disabled and click on the Apply and OK buttons to save the changes made.

Option 2 – Disable the Connected User Experience & Telemetry Service via Registry Editor

• Tap the Win + R keys to launch the Run utility and type “Regedit” in the field and click OK to open the Registry Editor.
• Next, navigate to this registry path: HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsDataCollection
• After that, right-click on the folder named “DataCollection” and select New > DWORD (32-bit) Value.
• Now name the new value “AllowTelemetry” and make sure that its Value data is “0” and then click on OK to save the changes made.
• Restart your computer.

Option 3 – Disable the Connected User Experience & Telemetry Service via Group Policy Editor

If you have to disable the service related to the Universal Telemetry Client for company-managed systems, then you can do that using the Group Policy Editor.

• Tap the Win + R keys to open the Run utility and type “gpedit.msc” in the field and hit Enter to open the Group Policy Editor.
• Next, navigate to this path: Computer Configuration > Administrative Templates > Windows Components> Data Collection and Preview Build
• After that, double-click on Data Collection and Preview Build to open its settings.
• From there, look for the “Allow Telemetry” item and double click on it to open its Properties.
• Next, set the radio button to Disabled and then click on the Apply button to save the changes made.
• Restart your computer.

Option 4 – Run the Hardware and Devices Troubleshooter or the Performance Troubleshooter

Hardware and Devices Troubleshooter:

• The first thing you need to do is click on Start and then on the gear-like icon to pull up the window for Settings.
• After opening Settings, look for the Update and Security option and select it.
• From there, go to the Troubleshoot option located on the left-hand side of the list.
• Next, select Hardware and Devices from the list and open the Troubleshooter and run it. Once it is doing its job, wait for it to complete the process and then restart the system.
• After the system restarts, check if the problem’s now fixed. If not, refer to the next option given below.

Performance Troubleshooter:

• Tap the Win + R keys to open the Run dialog box.
• Type “exe /id PerformanceDiagnostic” in the field and hit Enter to open the Performance troubleshooter.
• Then click on Next to get started. Wait until the process is completed.

5 Windows 10 Upgrade Errors

The recently released Windows 10 captivated the mass but its rollout, polished as it might have been, proved everything but seamless. Surf the Internet and you’ll get the gist. People are complaining and they need assistance. Assistance with what you might ask? Many have attempted to make an upgrade but failed after encountering various strange combinations of letters and numbers. These are none other than error codes. If you’ve tried and failed, feast your visuals below as you might encounter one of these 5 Windows 10 Upgrade errors.

Error Code 0x80073712

Encountering error code 0x80073712 in no way implies that you need to throw out your computer system and acquire a new one. Not at all! This error code simply means that a very important file to Windows might have gone missing or corrupted. This file is crucial to Windows update so without obtaining this file, you won’t be able to proceed with the update.

Error Code 0x800F0923

Likely, there are many programs and drivers installed on your computer. They all play a vital role. However, if you’ve received error code 0x800F0923, it might be time to consider or turn your eyes to installed drivers on your system. Why? Error code 0x800F0923 means that there’s a driver or driver on your current Operating System that’s not compatible with Windows 10. There’s clearly a dilemma here.

“We couldn't complete the updates. Undoing changes. Don't turn off your computer.” Or “Failure configuring Windows Updates. Reverting changes”

That’s a pretty odd error but I will say it's slick… That Windows 10 upgrade error is straightforward. Microsoft is just letting you know that they won’t be able to complete the update to Windows 10 and so they are putting your computer back to where it was. How nice of them.

The error messages above are pretty generic and will manifest when the upgrade fails for one reason or the other. To resolve this issue, you’ll most definitely have to decipher what error code was presented. Identifying that will provide a glimpse into exactly what steps you need to take.

The Update Isn't Applicable to Your Computer

I don’t know about you but I strongly believe Microsoft is subtly letting you know that your computer system is old and needs to be thrown out. Also, this update could imply that your PC needs to install important updates to rev you up to the requirements. All relevant updates to your computer must be installed before you can get past this stage.

Error… “Something Happened”

This Windows 10 upgrade error has been the talk of the Internet. In fact, users of Windows OS have been making it a mockery. Clearly, not many have had success after encountering this error. Obviously, “something happened” but it’s just not easy to decipher what went wrong. Microsoft is still trying to figure it out.

Solution

Windows has a lot of built-in tools that help you fix tons of system-related issues. One of them is the System File Check which is the tool you can use to conveniently replace potentially corrupted or missing system files with good ones. But what happens when it does not work? Well, you’ve come to the right place as in this post, you will be guided on how you can replace a corrupted single Windows system file manually with a known good copy of the file if the System File Checker scan is not working. When you encounter this issue with the System File Checker, it will be unable to replace the corrupted system files and returns an error message instead. And so to fix and replace corrupted system files in your Windows 10 computer without the help of System File Checker, you can refer to the instructions provided below. Step 1: First, you need to open the log files listed below and identify which particular file has been corrupted:

• %userprofile%Desktopsfcdetails.txt
• Log %WinDir%LogsCBSCBS.log

Step 2: You will see all the details on the given log files. Once you find out the name and the path of the file, you have to take ownership of this corrupted system file. Step 3: To take ownership of the corrupted file, you need to pull up Command Prompt by tapping Win + R keys on your keyboard and then type “cmd” and tap Enter. Step 4: After opening Command Prompt, type and enter the command below to execute it:

takeown /f FileNameAndPath

Note: In the given command, “FileNameAndPath” represents the name and the path of the corrupted file. For instance, the corrupted file is named “wuapi.dll”, then you need to type “takeown /f C:/Windows/System32/wuapi.dll” Step 5: Next, you need to grant administrators full access & control to the corrupted file and you can do that via Command Prompt again. Step 6: In the elevated Command Prompt, type and enter the following command to execute it:

icacls FileNameAndPath /GRANT ADMINISTRATORS:F

Note: We’re going to use the wuapi.dll again as an example. So the command should be like this: icacls “C:/Windows/System32/wuapi.dll /grant administrators: F”. Step 7: Now all that’s left to do is replace the corrupted system file with a good copy from a trusted source. Once you have a copy, open an elevated Command Prompt again and execute the following command:

copy NewFileLocation FileNameAndPath

Note: In the command given above, the “NewFileLocation” is the location where you have saved the copy of the file. For instance, if you’ve saved it on your desktop, this is how it should look: “copy C:/Users/<username>/Desktop/wuapi.dll C:/windows/system32/wuapi.dll”

If you would like your computer to be discoverable on your network and use print and file sharing you will have to change your network profile on your computer from public to private.

Follow the provided guide step by step to change your network profile setting:

Switch to private profile in Windows 10

Locate the Wi-Fi icon in your system tray and click on it. Click on properties on your WI-FI network to open the network menu. Inside the menu in the Network profile section enable the Private option.

Your changes will be automatically saved.

Switch profile to private in Windows 11

Find the WI-FI icon in the system tray and right-click on it, then choose Network and Internet Settings. Network & Internet page with open, find your network name at the top and select properties.

On the WI-FI page, in the Network Profile Type section choose Private. As in Windows 10, your changes will be automatically charged, and you can start using them immediately.

Another way around

If you want to switch back to a public profile follow provided steps but disable the private option.

PFN_LIST_CORRUPT Blue Screen - What is it?

PFN_LIST_CORRUPT is a blue screen of death error code. It occurs when the PFN (Page Frame Number) list becomes corrupt. The Page Frame Number is basically used by your hard drive to determine your location of each one of your files on the disk. This error may occur when starting up the program or while using it. Blue screen of death errors occurs without any warnings. The program disrupts all of a sudden and the computer screen turns blue.

Solution

Error Causes

PFN_LIST_CORRUPT Blue Screen error may occur due to multiple reasons. Some of the common reasons include:

• Hardware problems
• Device driver issues
• Registry problems
• Viral Infection

It is recommended to resolve the PFN_LIST_CORRUPT Blue Screen of Death error immediately without any delay virtually because this error can be quite fatal to your PC. It can pose serious threats to your system like system freeze, crash, failure, and valuable data loss. Furthermore, if the error is related to viral infection, it can expose you to privacy issues, data breaches, and cybercrime too.

Further Information and Manual Repair

This is a critical PC error but easy to resolve. You don’t need any technical expertise to fix this error on your PC. Here are some quick and easy methods to resolve PFN_LIST_CORRUPT Blue Screen error:

Method 1: Install Compatible Device Drivers

Sometimes when new hardware is added to the PC, you need to install updated versions of the device drivers to ensure there are no incompatibility issues. Incompatibility between the hardware and device drivers may generate PFN_LIST_CORRUPT Blue Screen of death error on your screen. To resolve, it is advisable to download and install the latest updated versions of the device drivers from the manufacturer’s website.

Method 2: Scan for Viruses

PFN_LIST_CORRUPT Blue Screen of Death error may occur due to viral infection too. Viruses and spyware enter your PC when you log on to unreliable websites and download programs from there or open phishing emails on your PC. These viruses corrupt and damage programs and files resulting in such errors. To fix the issue, you need to install a powerful antivirus and ensure all kinds of viruses and spyware are detected and removed from your system.

Method 3: Clean and Restore the Registry

PFN_LIST_CORRUPT Blue Screen error indicates poor PC maintenance. When you don’t clean and remove unnecessary and obsolete files like junk files, bad registry keys, cookies, internet history, temporary files, and invalid entries from the registry, the registry overloads and gets damaged. These files accumulate taking up a lot of disk space and also corrupt system files. If these files are not removed timely, it results in registry issues like a blue screen of death errors and run-time errors. To remove these files and clean the registry, you need to install a powerful registry cleaner. Whether the underlying cause for PFN_LIST_CORRUPT Blue Screen of Death error on your PC is viral infection or registry issues, to resolve the BSOD error code in seconds download Restoro. This is a cutting-edge and multi-functional PC fixer deployed with both an antivirus and a registry cleaner. Additional features include a system optimizer too. It is user-friendly and easy to operate. You can download it on all Windows versions without any hassle. It is safe and bug-free. The registry cleaner feature scans and removes all unnecessary files, cleans and repairs the registry while the antivirus utility simultaneously removes all kinds of malicious software including spyware, viruses, Trojans, and malware. Click here to download Restoro now and resolve the PFN_LIST_CORRUPT Blue Screen of Death error immediately!

Error Code 0x80070424 - What is it?

The error code 0x80070424 is a Windows PC error. It may occur when using Windows Update, Microsoft Update or while trying to change Windows Firewall settings. This error does not allow you to enable or disable the Firewall on your PC. It is quite common on Windows 7 and Vista. Symptoms of error code 0x80070424 include Windows Firewall may not be listed on Services.msc, inability to change Windows Firewall settings and you may come across this error message when restarting your PC, “Base Filtering Engine Service could not be found in the system”.

Solution

Error Causes

Some of the common causes of the error code 0x80070424 include:

• Base Filtering Engine Service file corruption
• Registry issues

When you encounter this error code on your system, it is recommended to fix it immediately as this error can lead to serious PC damages.

Further Information and Manual Repair

To resolve the error code 0x80070424 here are some of the best DIY solutions for you. By following these solutions, you can fix the error all by yourself. These are simple, easy, and quick PC fixers that require no technical expertise. Just follow the simple steps and the error will be resolved in the shortest time.

Re-Install Windows Firewall & Filtering Engine

If the underlying cause of the error 0x80070424 is Base Filtering Engine Service file corruption, then the best way to resolve it is to download the Firewall and register file from a reliable website. Once you download it extract the zip on your desktop.

• Double click on both files one by one to confirm their installation on your PC. Once installed, restart your PC and click on the start button. Search file type and run and then press enter.
• When the Run window opens, type REGEDIT and click OK. After that, from the left sidebar navigate to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetservicesBFE.
• Now simply right-click on BFE folder and choose permission. Once that’s done, click on add button and type everyone then press OK to confirm settings.  Here you will see the ‘everyone’ added field.
• After that in the below permission panel, tick the box that says Full Control and confirm. Now close the window and go to the menu and type services MSC.

This will open the service window. From the list search for ‘Base Filtering engine file’ right-click on it. Now search for Windows Firewall and see if you can change the settings. This procedure is most likely to resolve the error code 0x80070424 on your PC. It is time-consuming but worth it.

Use a Registry Cleaner

None the less, if the error is triggered by registry issues, then it is advisable to download Restoro. This is an advanced and highly functional PC fixer integrated with multiple utilities including a powerful registry cleaner. The registry cleaner utility detects all registry issues on your system and fixes them in seconds. It wipes out the excess, unnecessary, and obsolete registry entries and files corrupting your system cleans, and restores the registry. It is user-friendly and compatible with all Windows versions. So whether you are using Windows 7, 8, XP or Vista, you can run it on all versions with ease and resolve the error code 0x80070424 generated by registry issues. This software also includes other functional and value-added features like antivirus and a system optimizer. Click here to download Restoro and resolve error code 0x80070424  on your PC today!

If your Windows computer is not booting up and displays Secure Boot Violation – The system found unauthorized changes on the firmware, operating system, or UEFI drivers error message on the screen, then you can follow this tutorial to troubleshoot the problem. When you encounter this kind of problem on your computer, you will get the following error message on your screen:

“Secure Boot Violation The system found unauthorized changes on the firmware, operating system, or UEFI drivers. Press [OK] to run the next boot device or enter directly to BIOS Setup if there are no other boot devices installed. Go to BIOS Setup > Advanced > Boot and change the current boot device into other secured boot devices.”

This kind of error message pops up due to the Secure Boot that protects your computer from running any non-OEM signed boot software during startup. In other words, the Secure Boot firmware is the one that scans for non-signed boot software each time your computer boots up and if it detects anything strange, it will block the boot and will display the error message. To fix this error, there are two things you can try. You can try to disable the Secure Boot or try using a System Restore Point. For more detailed instructions, refer to each one of the options provided below.

Option 1 – Disable the Secure Boot in the BIOS

Disabling the Secure Boot in the BIOS settings is definitely recommended to resolve the issue. To disable Secure Boot, here’s what you have to do:

• First, boot your computer into Windows 10.
• Next, go to Settings > Windows Update. From there, check if there is anything that you have to download and install if you see any available updates. Usually, OEMs send and update the list of trusted hardware, drivers, and operating systems for your computer.
• After that, go to the BIOS of your computer.
• Then go to Settings > Update & Security > Advanced Startup options. If you click on Restart Now, it will restart your computer and give you all the advanced options.
• Next, select Troubleshoot > Advanced Options. As you can see, this screen offers you further options including System restore, Startup repair, Go back to the previous version, Command Prompt, System Image Recovery, and UEFI Firmware Settings.
• Select the UEFI Firmware Settings which will take you to the BIOS.
• From there, go to the Security > Boot > Authentication tab where you should see Secure Boot. Note that every OEM has its own way of implementing the options so it varies.
• Next, set Secure Boot to Disabled and set Legacy Support to On or Enabled.
• Save the changes made and exit. Afterward, your computer will reboot.

Option 2 – Try running System Restore in Advanced Startup Options

Since you probably can’t boot into your Windows 10 computer, you can try to run System Restore again in the Advanced Startup Options.

• Boot your computer into the Advanced Startup Options screen.
• From there, you will see some options to troubleshoot when you can’t log in to Windows in the usual way.
• Now select Troubleshoot > Advanced Options > Command Prompt.
• After that, type “rstrui” and hit Enter to execute the command which will start the System Restore process.

Option 3 – Make a proper bootable USB Drive/Stick

To make a proper bootable USB drive, you need to use the Windows Media Creation tool. The Media Creation tool in Windows allows you to use the ISO installation file to make a bootable device that you can use to install Windows on your PC. Note that this is kind of different from the usual installation process as it could erase your computer’s current settings and data on the primary drive. Thus, before you proceed, you need to backup all your data into some removable drive and then use the Media Creation Tool to make a bootable drive.

• After making the bootable drive, you need to plug it into your computer and then reboot.
• Next, tap the F10 or Esc key to open the boot options.
• Now set the boot priority of the removable drive the highest. Once the setup comes forth, follow the next onscreen instructions and install Windows without any problems.

What Is Error 126?

Error 126 is a very commonly occurring error that is often the result of damaged system files of Windows. They usually occur during the installation of some Windows program or application. When Error 126 is generated, it terminates the installation process almost instantly. It is important to take corrective measures immediately to ensure that no such problems are encountered again in the future.

Solution

Error Causes

There are a variety of conditions that may trigger Error 126. These conditions are listed below as follows.

• Corruption of the service-related DLL file
• Missing or damage service-related DLL file
• Corrupt, damaged, or Misconfigured system files
• Improper hardware or application installations or uninstallations
• Existence of viruses, malware, adware, or spyware in the system
• Corrupt or incorrect registry entries in the system files

When any of the above-listed conditions occur, the corrupt system files will go to the improper links or missing information. Eventually, the problems with the files will keep the applications or programs from responding in the usual manner. Whatever are the reasons for error generation, it is of utmost importance that the error is removed to ensure smooth functioning of the system.

Further Information and Manual Repair

There are many different ways this error can be rectified. However, the two most effective solutions are listed below as follows.

• This solution is for the advanced user. Turn on the system and log on to it as the Administrator. Now click on the Start button. Now click on All programs -> Accessories -> System Tools. Here you will come across the option for System Restore. Click on it. A new window will appear. Select 'restore my computer to an earlier time' point. Now clock on Next. A list of restore points will now appear in front of you. Choose the latest restore point you come across from this list and click on ‘Next’. In the next window that opens, click on ‘Next’ again. This is the confirmation window. Once the restoration finishes, restart your computer.
• This solution is for novice users. Download an Error 126 repair utility program. Install it on your system. Now use it to scan your system for errors. Find out if there is an option to fix/repair error. When you come across it, click on it as soon as the scan is complete. Restart your computer. Your system is now free of Error 126.

System restore is usually the go-to tool when something goes bad in Windows, we fire it up and roll back Windows in the state when everything was working fine. But what if Windows does not want to boot? Can we use system restore in that case? The answer to that question would be yes, yes we can.

1. Boot interrupt Windows 10 by starting your PC and as soon as you see the Windows logo; press and hold the power button to force a shutdown.
2. Repeat this 2-4 times and Windows will open up the Advanced Startup Options menu for you.
3. At the Advanced Startup Options screen, select Advanced Options.
4. Select Troubleshoot.
5. Under the Advanced options screen, select System Restore.

or if you prefer, use Windows USB installation.

1. Boot the faulty PC using the Windows 10 installation media.
2. The Windows Setup dialog box will appear.
3. Set the Time and currency format, Keyboard or input method, and the language to install.
4. Click Next.
5. Click on Repair your computer from the lower-left corner.
6. From the Choose an option screen, click on Troubleshoot.
7. Click Advanced Options in the Troubleshoot screen.
8. In the Advanced Options screen, click System Restore.
9. Windows will take some time to prepare System Restore. It may even restart your computer or device.
10. When System Restore is ready, you will be prompted to choose a user account to continue.
11. Select an account that is set as administrator on your Windows 10 computer or device.
12. At the next screen, change the keyboard layout if you want and then input the password for that account.
13. Click the Continue button.

If your printer has been working just fine and you suddenly get an error message saying, Printer not activated, error code 30”, then something is definitely wrong and it’s not good especially if you have lots of things to do. Worry not, as this post will help you resolve the printer issue. Simply follow each one of the given options below carefully.

Option 1 – Try running the Printer Troubleshooter

The first thing you can to resolve the printer issue is running the Printer Troubleshooter. This built-in troubleshooter can detect and automatically fix the problem for you. To use it, follow these steps:

• Tap the Win + R keys to open the Run dialog box.
• Next, type “msdt.exe /id PrinterDiagnostic” in the field and click OK or hit Enter to open the Printer Troubleshooter.
• Then click the Next button and follow the next on-screen instructions to fix the issue with the printer.

Option 2 – Check if the concerned printer is set as the default one

It could be that the printer you are trying to use is not set as the default printer. This is mostly the case so to fix the issue, you need to set the concerned printer as default. To do that, follow the steps below.

• Tap the Win + I keys to open the Settings app.
• After opening Settings, select Devices from the menu and then click the Printers and scanners option.
• From there, look for the printer you are using among the list of options. After you find it, click on it and select the Manage option.
• Now click on the “Set as Default” option to set the printer as default.

Option 3 – Try updating the driver for USB Composite Device

The problem with your printer might also be caused by the USB Composite Device. It could be that the USB Composite Device is acting up. Thus, you need to remove and reinstall it. How? Follow the steps below.

• First, click the Start button and type “device manager”.
• Then click on the “Device Manager” from the search results to open it.
• From there, look for the USB Composite Device option and right-click on it, and select the Update Driver from the options.
• Restart your PC and then click the “Search automatically for updated driver software” option.
• Now uninstall and remove the printer driver software and reinstall it then refresh.

Option 4 – Try updating all the drivers for your Printer

• Tap the Win + R keys to launch Run.
• Type in devmgmt.msc into the box and tap Enter or click OK to open the Device Manager.
• After that, a list of device drivers will be displayed. Look for Print queues from the list of drivers displayed and click on it to see all the Printer drivers.
• Next, right-click on each one of the drivers and select “Update driver” to update the driver. Do it for all the Printer drivers
• After that, select the “Search automatically for updated driver software” option and then follow the instructions to complete the process.
• Restart your PC and try printing a document again and see if the “Printer not activated, error code -30” no longer pops up.

Note: You also have the option to go directly to the website of your printer manufacturer and check if there’s a new update – if there is, download it.