Fix OneDrive Token Expired Error (0x8004de40)
You open OneDrive and see an error like “Your token has expired” or code 0x8004de40. This usually...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listSQLite Database Lock Troubleshooting Checklist
If your application shows 'database is locked' or 'SQLITE_BUSY' errors, SQLite's locking mechanis...
Fix Windows Activation slui.exe Not Opening
When you try to activate Windows using the Settings app or a command, slui.exe (Software Licensin...
Fix Chrome Profile Connection Refused After Update
After a Chrome update, you might see a 'connection refused' error when trying to access your prof...
Microsoft Store Memory Leak: How to Fix High RAM Usage
If you notice your PC slowing down and Task Manager shows the Microsoft Store using hundreds of m...
Fix BitLocker on Mac: Compatible Software Not Working
If you're trying to access a BitLocker-encrypted drive on a Mac and the compatible software isn't...
Topic paths
Quick titles
Windows Search Index Error 0x80040c41 Troubleshooting GuideFix BitLocker Rate Limit Error After Multiple AttemptsTroubleshooting Chrome Sync Problems Step by StepBitLocker Service Not Starting Access Denied FixFix Chrome Profile 504 Timeout: Step-by-StepDiagnosing and Fixing Docker Container Restart LoopsFix Outlook Not Opening After a Recent UpdateHow to Resolve Microsoft Store Connection Refused