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 ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listRemoving Malware Causing High CPU Usage in Command Prompt
If you notice high CPU usage in Task Manager attributed to Command Prompt (cmd.exe), svchost.exe,...
Fix Remote Desktop High CPU Usage After Update
After a recent Windows update, you may notice that Remote Desktop (mstsc.exe) or the Remote Deskt...
Fix 'Access Denied' Errors After Windows Update
After a Windows update, you might see "Access Denied" errors when trying to open Windows Security...
Fix Chrome Profile File Locked by Another User
If Chrome shows "Your profile could not be opened correctly" or "The profile appears to be in use...
How to Fix Windows Activation SSL Certificate Error
If you see an error like "SSL certificate problem" or "There was a problem with the activation se...
Topic paths
Quick titles
Windows 10 Microsoft Store Update Stuck or FailingError 0x80070422 When Running Windows UpdateResolve BitLocker Rate Limit LockoutStop Teams from Asking to Sign in RepeatedlyResolve 'Windows Activation Service Not Starting' ErrorHow to Fix Access Denied Error in Windows Update RegistryCMD localhost Connection Refused: Causes and FixesHow to Resolve Chrome Extension Error 0x80070005