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Windows 10 blue screen 00021a free download. How to fix Windows stop code 0xc000021a
This feature is a security measure that prevents drivers that are not digitally signed from running on Windows That said, it can cause the Error 0xca to appear. So, you need to disable it when booting into your system. Here are the steps:.
After performing these steps, you should be able to access various features in your system, allowing you to troubleshoot the problem. Thankfully, Windows 10 has a utility that is specifically designed to fix issues like this.
Here are the steps to running an SFC scan:. The System File Checker will begin the scanning and repair process. Once it is complete, restart your computer and check if the error is gone. If it persists, try the next solution. The DISM scan process will now begin. Keep in mind that this usually takes about 20 minutes to complete.
So, be patient and do not interfere with it. It is possible that the boot sector has been corrupted or deleted, which is why your computer is unable to read the installation setup in a repeated sequence. To begin, follow the steps below:. After running the command lines above, you should be able to begin the Windows 10 installation process.
So, we recommend that you run some diagnostic tests to identify bad sectors or damages. There are plenty of third-party tools that you can use to fix this problem. You can begin the process by following the instructions below:. It is possible that certain services are interfering with the update process.
As such, we recommend that you disable them on startup. Once you boot into the system, check if the Error 0xca is gone. If it is gone, then it is likely that one of the services is interfering with the update process.
In this case, we recommend enabling the services one by one and restarting your computer until you determine the culprit. Pro Tip: After getting rid of the Error a, you would want to commence the update installation with ease. To ensure that your computer is ready for the process, we suggest that you use Auslogics BoostSpeed. This tool has a reliable and efficient cleaning module that will sweep out all types of junk, including web browser cache, temporary files, and leftover Windows Update files, among many others.
It will also help restore system stability by carefully removing corrupt keys and invalid entries from the registry. After the process is complete, you will notice a significant improvement in the performance of your computer.
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As mentioned above, corrupted system files can cause the error on your Windows 10 PC. This is a built-in feature of Windows and it can help you resolve the problem. When you're in Windows Safe Mode, you just have to follow the below steps to get the error fixed:.
Step 1: Enter "cmd" in the search box and then right-tap the "Command Prompt" in the search results and select "Run as administrator" from the submenu. Then, the program will begin scanning and repairing your damaged system files. Step 3: Once the process completes, reboot your computer and see if the error is gone. It can cause the stop code 0xca error. Thus, you need to turn it off after you boot into your system. Below are the steps to help you get this job done:. Step 1: To commence the process, restart your PC and keep tapping F8.
And if that doesn't work, then use F11 to open the windows menu. Step 2: Your computer should boot in the Recovery options menu. Step 3: Hold F7 to reboot your system, this will start your system with Disable Driver Signature Enforcement disabled. If you install any hardware or software before encountering the stop code 0xca error, then you consider uninstalling them to resolve the error. It could be possible that recently installed hardware or software is incompatible with your operating system.
In this case, the best thing to do is to uninstall recently installed hardware or software and this would probably fix the error. You can also try running the DISM command. So, check out the below steps to learn how to use a DISM scan. Step 1: Similarly to the SFC scan, you need to first open the command prompt. For that, enter "cmd" in the search bar, then right-click "Command Prompt" and select "Run as administrator". Since your PC will try to access basic registry editor configuration files, the computer can be affected by corrupted registry hive files.
Hence, the "Your PC ran into a problem and needs to restart" error occurs. In this scenario, you need to replace the corrupted registry files with backups to fix the error. If you can enter Safe Mode, then you can replace the corrupted files in the registry editor through File Explorer.
But, if you cannot, then you need to perform this task via Command Prompt under the Windows Recovery Environment. Then, you can follow the below steps to fix the error:. Step 3: Now, set the installation USB or disc as the first boot order and follow the instructions. Save the changes and quit. Step 4: Enter the 'Widows Recovery Environment" according to the instructions on the screen.
Step 6: Type "dir" and hit Enter. Now, all the folders and files in the directory will be shown in the command prompt. Step 7: Type "System System. You have to perform this operation for other files not folders that are shown in the Command Prompt.
Step 8: Rename all the files in the directory and then type "cd RegBack" and hit Enter. Step 9: Enter "dir" and hit Enter. Now, you'll see all the folders and files in this directory. Step Enter the following commands one by one and press Enter after typing each command:. After then, put the registry hives back for the folders that you renamed. And then, exit Command Prompt. Press the Exit key to remove Windows installation media and reboot your PC to check if the error is gone now. Step 2: Unplug every power cable on the PC to turn off a power source of the system entirely.
Wait for one to two minutes and then, place the battery back in. If you've enabled restore in your Windows PC, then you can restore your computer to an earlier version and this will fix the issue. Step 4: System Restore will launch and you'll be shown to select a restore point, choose a point that is close to the date you started getting error. But, it will delete all personal data from your system. If you still want to give a try, then follow the below steps:.
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