Booting up your Windows 10 computer does not always go smoothly as it is a complex process and you may encounter some issues along the way. There are various files that get loaded and executed while the Windows 10 operating system is loaded. You might encounter a page that displays the following error message:
“Operating System Loader has no signature. Incompatible with SecureBoot. All bootable devices failed Secure Boot verification.”
There are two main causes for this error – it could be that your computer is using a bad unauthentic Boot Image File or the Windows operating system is installed in the BIOS Mode. To fix this error, you can try performing a “cold” boot or reset the BIOS or reset your Windows 10 computer.
To perform a cold boot, all you have to do is press and hold the power button of your CPU until it goes off. Once it’s off, boot your computer normally and then check if the problem is now fixed.
If performing a cold boot did nothing to fix the problem, you can try to reset the BIOS instead.
You could also try to change the Boot Sequence to fix the error. To change the Boot Sequence, follow these steps:
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

Error Causes“System Restore did not complete successfully. Your computer’s system files and settings were not changed. Details: System Restore failed while scanning the file system on the drive <Partition Letter> The drive might be corrupt. You might want to retry System Restore after running chkdsk /R on this disk. An unspecified error occurred during System Restore. (0x80070013) You can try System Restore again and choose a different restore point. If you continue to see this error, you can try an advanced recovery method.”Whereas in Windows Backup, it states:
“Check your backup, Windows Backup failed while trying to read from this shadow copy on one of the volumes being backed up. Please check in the event logs for any relevant errors. The backup failed, The media is write protected (0x80070013).”On the other hand, you will see the following error message in Windows Update:
“There were some problems installing updates, but we’ll try again later. If you keep seeing this and want to search the web or contact the support for information, this may help: (0x80070013).”There are several suggestions you can check out to fix the error depending on where you encountered it. If you encountered it while running Windows Updates, then you can try to reset the Windows Update components or run the Windows Update Troubleshooter. And if you got the error when running System Restore, you can try to run a System File Checker scan or the DISM tool as well as the CHKDSK utility. Lastly, if you got this error when running the Windows Backup service, you can try to check its status in the Services Manager. Error 0x80070013 in Windows Updates:
Error Causes“The program can’t start because AVFoundationCF.dll is missing from your computer. Try reinstalling the program to fix this problem.” "This application failed to start because avfoundationcf.dll was not found.” "Cannot find %COMMONFILES%AppleApple Application Supportavfoundationcf.dll." "Cannot start AVFoundationCF. A required component is missing: avfoundationcf.dll.” “Avfoundationcf.dll Access Violation." "Cannot register avfoundationcf.dll."
Error Causes