OneDrive Sync Error 404 Not Found: Causes and Fixes
You open OneDrive and see a '404 Not Found' error during sync. This usually means OneDrive can't ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Defender Real-Time Protection Turned Off & Connection Refused
You open Windows Security and see real-time protection is off. Trying to turn it on fails with a ...
Windows Terminal Troubleshooting Checklist
Windows Terminal can sometimes misbehave: profiles fail to load, the window won't open, or settin...
Fix Chrome Profile 502 Bad Gateway After Update
If you're seeing a 502 Bad Gateway error in Chrome immediately after a browser update, it often p...
Fix Outlook Proxy Error After Windows Update
After a Windows update, some users see a proxy error in Outlook—something like “Cannot connect to...
Visual Studio Installer Configuration Failed After Restart: Fix
After restarting your computer to complete a Visual Studio installation or update, you might see ...
Issue queue
SitemapFix Page Not Found in Microsoft Store
Fix Corrupted Windows Security Log
Fix Windows Defender Service Authentication Failed Error
Fix Outlook Startup Error: Cannot Open the Outlook Window
Fix Microsoft Store App Not Opening on Startup After Update
How to Recover a Lost Chrome Profile After an Update
Troubleshoot Microsoft Store Blank Screen Issue
How to Bypass BitLocker Blank Screen in Safe Mode
How to Disable BitLocker Rate Limit in Registry
Resolve Chrome Version Mismatch Error
How to Solve Module Not Found in CMD Windows 10
Command Prompt Stopped Working: How to Reset It
Fix Corrupted Windows Security Log
Fix Windows Defender Service Authentication Failed Error
Fix Outlook Startup Error: Cannot Open the Outlook Window
Fix Microsoft Store App Not Opening on Startup After Update
How to Recover a Lost Chrome Profile After an Update
Troubleshoot Microsoft Store Blank Screen Issue
How to Bypass BitLocker Blank Screen in Safe Mode
How to Disable BitLocker Rate Limit in Registry
Resolve Chrome Version Mismatch Error
How to Solve Module Not Found in CMD Windows 10
Command Prompt Stopped Working: How to Reset It