Fix PuTTY Connection Refused After Server Restart
You restart your server, open PuTTY, and see "Connection refused". This is a com...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesChange Remote Desktop Listening Port to Avoid Conflicts
If you cannot connect to a remote computer because another application is using port 3389, or you...
Fix Windows Terminal Version Mismatch Errors
You launch Windows Terminal and see an error about a version mismatch—perhaps between the termina...
How to Fix OneDrive Error 0x8004de40
If you see error code 0x8004de40 when trying to sign in or sync files in OneDrive, it usually mea...
Fix Windows Defender Service Error 577: Step-by-Step
You try to start Windows Defender, but it fails immediately with error 577, often accompanied by ...
How to Fix OneDrive Sync 504 Gateway Timeout Error
You try to sync files, but OneDrive shows a 504 Gateway Timeout error. The sync stops, and you ca...
Issue queue
SitemapOneDrive Authentication Failed: Office 365 Fix Guide
OneDrive Sync Permission Denied: Folder Troubleshooting
Windows Security Proxy Error: Antivirus Conflict Fix
How to Fix Windows Activation Rate Limit Errors
Resolving Maven Permission Denied on Dependency Download
How to Fix Windows Security Connection Timeout Error
How to Fix Windows Update Invalid Configuration via Clean Boot
Fix Chrome Extension Error Codes
Troubleshooting Windows Search Connection Refused
Docker Compose Port Conflict Troubleshooting Guide
Microsoft Teams Cache Clear Step by Step
Troubleshoot Nginx Permission Denied in 5 Steps
OneDrive Sync Permission Denied: Folder Troubleshooting
Windows Security Proxy Error: Antivirus Conflict Fix
How to Fix Windows Activation Rate Limit Errors
Resolving Maven Permission Denied on Dependency Download
How to Fix Windows Security Connection Timeout Error
How to Fix Windows Update Invalid Configuration via Clean Boot
Fix Chrome Extension Error Codes
Troubleshooting Windows Search Connection Refused
Docker Compose Port Conflict Troubleshooting Guide
Microsoft Teams Cache Clear Step by Step
Troubleshoot Nginx Permission Denied in 5 Steps