Fix Git 'index.lock file exists' Error
When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix DNS Probe Finished NXDOMAIN After Changing DNS
After updating your DNS settings—perhaps to use Google Public DNS or Cloudflare—you might see the...
How to Handle Python UnicodeDecodeError with errors='ignore'
If you're reading a file or processing text in Python and hit a UnicodeDecodeError
How to Fix Cloudflare Origin Certificate Invalid Error
If you see a Cloudflare origin certificate invalid error, your browser or server is rejecting the...
VS Code Git Not Detecting Changes: Step-by-Step Fix
You've edited files in VS Code, but the Source Control panel shows no changes. The git icon m...
Fix VS Code Breakpoints Not Hit in Multi-Root Workspace
If you're using a multi-root workspace in VS Code and finding that breakpoints in some folder...
Topic paths
Quick titles
Fix Chrome Black Screen on Startup Due to Hardware AccelerationWindows 11 Network Reset No Internet FixFix VSCode Terminal Not Opening with PythonWindows Taskbar Icons Disappeared – How to RestoreHow to Stop Chrome from Using Too Much MemoryFix Windows Update Error 0x80070005 with a Clean BootWhy Python Requests Timeout Doesn't WorkWindows 11 Blue Screen After Update Uninstall Fix