How to Fix PuTTY Connection Refused Error
You open PuTTY, enter your server IP or hostname, click Open, and get "Connection refused...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Outlook Crash Error 0x80004005
If Outlook crashes or shows error 0x80004005 when launching or performing an act...
Fix Windows Defender Authentication Failed Error in Windows 10
You see a message like 'Windows Defender Authentication Failed' when trying to open or update Win...
Fix Windows Defender Disabled by Group Policy: Step-by-Step
If you see "Windows Defender is turned off by group policy" in Windows Security, it means a local...
How to Fix Windows Update Service Not Running Automatically
If Windows Update fails to run automatically, you might see errors like "Service not running" or ...
Fix Firefox Not Responding When Opening a New Tab
You click the new tab button (or press Ctrl+T) and Firefox freezes, goes white, or shows a spinni...
Issue queue
SitemapHow to Fix Chrome Permission Denied on Ubuntu
How to resolve missing GPG key in apt update
BitLocker Version Mismatch: Fix 'Permission Denied' Errors
Windows Search 404 Error Due to Permissions – Fix
Resolve 502 Error in Windows Defender with Tool Tips
Fix Remote Desktop Blocked by Firewall
Fix Windows Activation Proxy Server Not Responding
How to Break Microsoft Teams Login Loop via Registry
Fix Network Errors in Command Prompt: Practical Guide
OneDrive Sync 504 Error Troubleshooting Guide
How to Fix Access Denied Error in Windows Defender Folder Scan
Task Scheduler Not Running After Reset: How to Fix
How to resolve missing GPG key in apt update
BitLocker Version Mismatch: Fix 'Permission Denied' Errors
Windows Search 404 Error Due to Permissions – Fix
Resolve 502 Error in Windows Defender with Tool Tips
Fix Remote Desktop Blocked by Firewall
Fix Windows Activation Proxy Server Not Responding
How to Break Microsoft Teams Login Loop via Registry
Fix Network Errors in Command Prompt: Practical Guide
OneDrive Sync 504 Error Troubleshooting Guide
How to Fix Access Denied Error in Windows Defender Folder Scan
Task Scheduler Not Running After Reset: How to Fix