Fix OneDrive 404 Not Found & Permission Denied Errors
If you're seeing a '404 Not Found' or 'Permission Denied' error when accessing or syncing files i...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listBitLocker Network Unlock Error 0x80070035 Fix
When BitLocker Network Unlock fails with error 0x80070035 (the network path was not found), the s...
How to Fix Remote Desktop Services 504 Gateway Timeout
If you're getting a 504 Gateway Timeout when connecting to Remote Desktop Services, the gateway o...
Fix Microsoft Teams Not Detecting External Webcam
You plug in your external webcam, open Microsoft Teams, and the video feed stays black or shows t...
Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Caused by Antivirus
When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a secure tunnel...
Fix OneDrive Sync Permission Denied for Shared Folders
You try to sync a shared folder in OneDrive but get a 'permission denied' error. This usually hap...
Topic paths
Quick titles
Chrome Profile Auto-Start Setup GuideHow to Fix Task Scheduler Missing Tasks After RebootHow to Get Windows Defender-Like Protection on MacTroubleshoot Windows Update 502 Bad GatewayWindows Search Module Error Code TroubleshootingChrome Profile Error: Sync Not Working – Fixes That WorkFix Chrome Extension Permission Denied ErrorWindows Defender Offline Scan Fails: How to Fix