Every time you shutdown or restart your computer, you may encounter the following error message titled “BitDefender Threat Scanner”. Here is the full error message verbatim:Read more
Error Messages
[Fix] DISM and .NET Framework 3.5 Error 0x800F081F
When running the following DISM command, the error 0x800F081F may appear in some systems. The same error occurs when installing the .NET Framework in Windows 10.
Dism /Online /Cleanup-Image /RestoreHealth
Error: 0x800f081f The source files could not be found. Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see http://go.microsoft.com/fwlink/?LinkId=243077.

DISM.log
Error DISM DISM Package Manager: PID=13368 TID=5124 Failed finalizing changes. - CDISMPackageManager::Internal_Finalize(hr:0x800f081f) Error DISM DISM Package Manager: PID=13368 TID=5124 The source files could not be found; their location must be specified using the /source option to restore the feature. - GetCbsErrorMsg Error DISM DISM Package Manager: PID=13368 TID=5124 Failed processing package changes with session option CbsSessionOptionRepairStoreCorruption - CDISMPackageManager::RestoreHealth(hr:0x800f081f) Error DISM DISM Package Manager: PID=13368 TID=5124 The source files could not be found; their location must be specified using the /source option to restore the feature. - GetCbsErrorMsg Error DISM DISM Package Manager: PID=13368 TID=5124 Failed to restore the image health. - CPackageManagerCLIHandler::ProcessCmdLine_CleanupImage(hr:0x800f081f) Error DISM DISM Package Manager: PID=13368 TID=5124 Failed while processing command cleanup-image. - CPackageManagerCLIHandler::ExecuteCmdLine(hr:0x800f081f)
CBS.log
CBS Exec: Processing complete, session(Corruption Repairing): 30459372_734419507 [HRESULT = 0x800f081f - CBS_E_SOURCE_MISSING] CBS Session: 30459372_734419507 failed to perform store corruption detect and repair operation. [HRESULT = 0x800f081f - CBS_E_SOURCE_MISSING] CBS Session: 30459372_734419507 finalized. Download error: 0x80240022 [Unknown Error], Reboot required: no [HRESULT = 0x800f081f - CBS_E_SOURCE_MISSING] CBS Failed to FinalizeEx using worker session [HRESULT = 0x800f081f]
The same error (0x800F081F – CBS_E_SOURCE_MISSING) may occur when you attempt to install .NET Framework 3.5 via Optional Features.

Windows couldn't find required files to complete the requested changes. Make sure you're connected to Internet, and try again: Error code: 0x800F081F
DISM.log
The source files could not be found. Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see http://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\Windows\Logs\DISM\dism.log 0x800F081F - CBS_E_SOURCE_MISSING
This post tells you how to fix the .NET Framework installation and the DISM error 0x800f081f in Windows 10.Read more
Microsoft Store 0x80131500, 0x80072EE7, 0x80072EFD, 0x80072EFF Error
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Windows Defender Error 0x80070643 Updating Definitions
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DISM Error 50 or Error 87 “DISM does not support servicing Windows PE”
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Error “There are no more files” Caused by ASUS Data Security Manager
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The Operating System Version is Incompatible with Startup Repair [Fix]
After installing updates on your Windows 10 computer, your computer may get stuck at a black screen when loading Windows. And the Startup Repair tool kicks in every time and records the following error in the SrtTrail.txt log file: The operating system version is incompatible with startup repair. This error message is not only misleading, … Read more
Fix: Event ID 10016 DistributedCOM Errors Recorded in the Event Log
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