Fix OneDrive Sync Error 0x8004de40 (SSL Certificate)
If you see error 0x8004de40 when syncing OneDrive, it usually means your computer cannot verify t...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix OneDrive Error 0x8004de40: Sync Not Working
If you see error code 0x8004de40 when trying to sync files in OneDrive, it usually means the conn...
Fix Remote Desktop Fails to Start with No Error
You click to start a Remote Desktop session, the connection window appears briefly, then closes w...
Fix OneDrive Error 0x8007016a: Sync Issues with Cloud Files
OneDrive error 0x8007016a usually appears when you try to sync or open a file that is stored in t...
Fix Command Prompt 502 Bad Gateway Due to DNS Issues
If you're seeing a 502 Bad Gateway error while using Command Prompt to access a web service or AP...
Fix Windows Update Module Not Found Configuration Error
You see an error that says something like "Windows Update module not found" or "Configuration fai...
Issue queue
SitemapFix Chrome Startup Problems: Step-by-Step
Fix Chrome Extension Not Working or Stopped
How to Avoid OneDrive API Throttling
Fix OneDrive Download Files Not Syncing
Command Prompt Hangs When Opening as Admin – Troubleshooting
Windows Defender High Memory Fix
How to Fix Microsoft Edge After a Windows Update
Resolving OneDrive Access Denied Sync Error
Resolve Chrome Blank Profile at Launch
Fix Windows Search Indexing Permission Denied Errors
Chrome Connection Refused on Android – Troubleshooting Guide
BitLocker 404 Error After Windows Update – Troubleshooting
Fix Chrome Extension Not Working or Stopped
How to Avoid OneDrive API Throttling
Fix OneDrive Download Files Not Syncing
Command Prompt Hangs When Opening as Admin – Troubleshooting
Windows Defender High Memory Fix
How to Fix Microsoft Edge After a Windows Update
Resolving OneDrive Access Denied Sync Error
Resolve Chrome Blank Profile at Launch
Fix Windows Search Indexing Permission Denied Errors
Chrome Connection Refused on Android – Troubleshooting Guide
BitLocker 404 Error After Windows Update – Troubleshooting