Fix Git 'index.lock' File Exists Error in SourceTree
If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Set Python Requests Timeout for the Entire Request
When you use the Python requests library, a request can hang indefinitely if the ser...
ERR_NAME_NOT_RESOLVED on Chrome Linux: Fix Guide
You're browsing on Chrome in Linux and suddenly a page won't load, showing ERR_NA...
How to Resolve Port Already in Use in Docker Compose
When you run docker compose up and get an error like port is already allocated...
Fixing NGINX Upstream Connection Refused SSL Errors
When NGINX logs upstream connection refused for an SSL backend, it usually means the...
VS Code Source Control Not Detecting Changes: Disable Git Fix
If VS Code stops showing file changes in the Source Control panel, Git integration may be stuck o...
Issue queue
SitemapFixing Git Authentication Failed in VS Code
Troubleshooting Docker 'network not found' and 'permission denied'
Restore Missing System Tray Icons on Windows
How to Resolve Error 521 Web Server Down
Troubleshoot ERR_CONNECTION_RESET for Specific Sites
Fixing VS Code Git Authentication Failed Error
Fix Secure Connection Failed in Firefox
Fix Docker Build Context Canceled in Git Bash on Windows
Fix VS Code Git Authentication Failed: Step-by-Step Guide
Fix Git Detached HEAD Without Losing Work
How to Fix Chrome After Update Won't Open
Fix Cloudflare SSL Certificate Mismatch on Origin
Troubleshooting Docker 'network not found' and 'permission denied'
Restore Missing System Tray Icons on Windows
How to Resolve Error 521 Web Server Down
Troubleshoot ERR_CONNECTION_RESET for Specific Sites
Fixing VS Code Git Authentication Failed Error
Fix Secure Connection Failed in Firefox
Fix Docker Build Context Canceled in Git Bash on Windows
Fix VS Code Git Authentication Failed: Step-by-Step Guide
Fix Git Detached HEAD Without Losing Work
How to Fix Chrome After Update Won't Open
Fix Cloudflare SSL Certificate Mismatch on Origin