How to Fix a Detached HEAD in Git Using SourceTree
If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows 11 WiFi Connected but No Internet: IPv4 Settings
You see the WiFi icon connected, but websites won't load. The network shows “No internet” or ...
How to Stop Nginx Redirect Loop: Practical Fixes
An Nginx redirect loop (too many redirects) usually appears as a browser error after multiple 301...
How to Disable Shell Extensions to Stop Explorer Restarting
If File Explorer keeps restarting, crashing, or freezing on its own, a misbehaving shell extensio...
Fix Docker Compose Environment Variable Substitution Failed
When running docker compose up, you might see errors like failed to resolve co...
Fix ERR_CONNECTION_RESET by Clearing Browser Cache
When you see the ERR_CONNECTION_RESET error in Chrome, it usually means the conn...
Issue queue
SitemapChrome Black Screen on External Monitor Fix
Windows Security App Reset Steps
Resolve Git index.lock File Exists Error
Manual Python Virtual Environment Activation Guide
Chrome Update Causing Black Screen? Disable Hardware Acceleration
Fix Docker Container 'No Space Left on Device' Error
Fix Windows Cannot Access Shared Folder Due to Firewall
Windows 10 Taskbar Icon Cache Repair Guide
How to Fix npm Permission Denied After Using Yarn
Fix Missing Environment Variables in Docker Compose
Troubleshoot Windows Defender Real-Time Protection
Fix Git Detached HEAD Without Losing Work
Windows Security App Reset Steps
Resolve Git index.lock File Exists Error
Manual Python Virtual Environment Activation Guide
Chrome Update Causing Black Screen? Disable Hardware Acceleration
Fix Docker Container 'No Space Left on Device' Error
Fix Windows Cannot Access Shared Folder Due to Firewall
Windows 10 Taskbar Icon Cache Repair Guide
How to Fix npm Permission Denied After Using Yarn
Fix Missing Environment Variables in Docker Compose
Troubleshoot Windows Defender Real-Time Protection
Fix Git Detached HEAD Without Losing Work