
Fix OneDrive Sync High CPU Usage with Error 0x8004de40
If OneDrive is using high CPU and showing error 0x8004de40, the sync client is likely stuck in a ...

If OneDrive is using high CPU and showing error 0x8004de40, the sync client is likely stuck in a ...

You open Task Manager and see Command Prompt (cmd.exe) using a lot of CPU – sometimes 30% or more...

You open Outlook and see an error about a version mismatch, or Outlook won't start because of a r...

If you open Windows Security and see a message that the threat service has stopped and the startu...

You download the Windows Security offline installer (the .cab or .psf file) to update Defender de...

You enter your BitLocker recovery key at the blue screen, but Windows says it's not accepted. Thi...