Fix OneDrive Token Expired Error (0x8004de40)
You open OneDrive and see an error like “Your token has expired” or code 0x8004de40. This usually...
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 File Locked During Scan
You run a Windows Defender scan and it reports that a file is locked and can't be scanned. This i...
Fix ImageMagick 'convert not recognized' in Python subprocess
When using Python's subprocess module to run ImageMagick's convert comm...
Fix OneDrive Sync Error 0x8004de40: Service Unavailable
When OneDrive shows error 0x8004de40 with the message “Sync service unavailable,” it usually mean...
Fix PowerShell Script Not Auto-Starting in Task Scheduler
You set up a PowerShell script to run automatically via Task Scheduler, but it doesn't start or f...
Windows Terminal Auto Start Troubleshoot Checklist
If Windows Terminal doesn't open when you log into Windows, it's usually a configuration or permi...
Issue queue
SitemapHow to Fix PuTTY Connection Refused Error
Checklist for Migrating Windows Search Settings
How to Unlock Files for Microsoft Store
Re-enable Windows Defender Real-Time Protection Guide
Setting Up and Fixing Ubuntu Bash Prompt
How to Fix BitLocker Version Mismatch on External Storage
How to Resolve PowerShell Invalid Registry Configuration
BitLocker Proxy 'Permission Denied' Troubleshooting Guide
Fix OneDrive Sync Error 0x8004def5
Release File Locks Using PowerShell
Chrome Slow? Fix High Memory Usage Step by Step
How to Fix venv Activation Script Not Found
Checklist for Migrating Windows Search Settings
How to Unlock Files for Microsoft Store
Re-enable Windows Defender Real-Time Protection Guide
Setting Up and Fixing Ubuntu Bash Prompt
How to Fix BitLocker Version Mismatch on External Storage
How to Resolve PowerShell Invalid Registry Configuration
BitLocker Proxy 'Permission Denied' Troubleshooting Guide
Fix OneDrive Sync Error 0x8004def5
Release File Locks Using PowerShell
Chrome Slow? Fix High Memory Usage Step by Step
How to Fix venv Activation Script Not Found