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 listHow to Fix Windows Activation Login Loop
You sign in to Windows, but instead of your desktop, you see the activation screen again—over and...
How to Find Windows Search Log File Location
When Windows Search stops returning results or indexing seems stuck, the search logs can help ide...
Fix 'Command Prompt Not Found' Error After Windows Update
After a Windows update, you might see a '404 not found' error when trying to open Command Prompt,...
Fix Git Clone Permission Denied (Publickey) but SSH Works
You try to git clone a repository and get a "Permission denied (publickey)" error, y...
BitLocker Cannot Connect to USB Drive: Practical Fixes
You plug in a USB drive that should be unlocked with BitLocker, but Windows says it can't connect...
Topic paths
Quick titles
Troubleshoot Dependency Conflict Error 0x80070002Windows Update Option Disappeared? Try These StepsTask Scheduler Proxy Sync TroubleshootingChrome Timeout Not Working: Quick FixesMicrosoft Store on Mac: Installation GuideFix 7-Zip 'Unsupported Archive Format' ErrorResolve Git Clone Fatal Repository Not FoundPowerShell 0x800f0950 Installation Error Guide