Fix OneDrive Sync Module Not Found Error 0x8004de40
You see the error "Sync module not found" with code 0x8004de40 when trying to use OneDrive. This ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Update Connection Refused Due to Proxy Settings
When Windows Update reports a 'connection refused' error, it's often due to a misconfigured proxy...
Fixing Remote Desktop Invalid Configuration for Network Level Authentication
When you try to connect to a remote computer using Remote Desktop (RDP) and see an error like "An...
Fix 'Permission Denied' and 'Windows Update Module Not Found' Errors
You try to run Windows Update, but you get a "permission denied" error or a message that the upda...
Chrome Profile Settings Not Saving: Fixes That Work
You change a setting in Chrome—like your default search engine, startup page, or password manager...
Fix Outlook Setup Failed Permission Denied Error
When setting up Outlook for the first time or adding a new email account, you might see an error ...
Topic paths
Quick titles
Mac Microsoft Store Sync Troubleshooting GuideOneDrive Sync Fails with Proxy Server – Fix GuideWindows Update Broke PowerShell DNS: TroubleshootingFix DNS Issues in Microsoft Store After Windows UpdateWindows Defender Not Loading: Black Screen SolutionsHow to Fix Windows Search Indexer Version MismatchFix Windows Update Error 0x80070002 (Dependency Conflict)Fix Task Scheduler Error 0x80070005 (Permission Denied)