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 notesFixing Nginx 502 Bad Gateway in Docker: Practical Steps
You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....
How to Fix Git Clone Connection Timed Out Error
When you run git clone and see a connection timed out error, it usually...
Chrome Startup Crash Due to Sandboxing: How to Fix
You open Chrome, it starts to load, then crashes before the window fully appears. This can happen...
How to Create a New Branch from a Detached HEAD in Git
If you see a message like "You are in 'detached HEAD' state" in Git, it means you...
How to Fix Firefox Secure Connection Failed Error
When Firefox shows 'Secure Connection Failed' and won't load a site, it usually means...
Issue queue
SitemapRemote Desktop Connection Fails: RDP Port Not Open
Fix Cloudflare Wildcard Subdomain DNS Propagation Delay
Why Cloudflare DNS Changes Take So Long to Propagate
Troubleshooting nginx proxy_pass connection refused errors
Python Large File Memory Error: Practical Workarounds
Fix Missing System Tray Icons on Windows
VS Code Permission Denied After Update Fix
How to Merge Branches with Unrelated Git Histories
VSCode Python Debugger Breakpoint Not Stopping: Fixes
Fix VSCode Source Control Not Detecting Changes
Fix Chrome Certificate Error: Invalid Authority with Proxy Settings
Git Detached HEAD: Find and Restore Missing Changes
Fix Cloudflare Wildcard Subdomain DNS Propagation Delay
Why Cloudflare DNS Changes Take So Long to Propagate
Troubleshooting nginx proxy_pass connection refused errors
Python Large File Memory Error: Practical Workarounds
Fix Missing System Tray Icons on Windows
VS Code Permission Denied After Update Fix
How to Merge Branches with Unrelated Git Histories
VSCode Python Debugger Breakpoint Not Stopping: Fixes
Fix VSCode Source Control Not Detecting Changes
Fix Chrome Certificate Error: Invalid Authority with Proxy Settings
Git Detached HEAD: Find and Restore Missing Changes