Fix Git 'index.lock' File Exists Error in IntelliJ
If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...
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 Cloudflare 521 Error on Apache Servers
If you see a Cloudflare 521 error, it means Cloudflare’s network cannot reach your origin server....
Fix VS Code IntelliSense Not Showing Suggestions
You're typing code in VS Code, expecting autocomplete suggestions, but nothing appears. This ...
How to Give VS Code Permission to Save Files
If VS Code shows a permission error when you try to save a file, the problem is usually that the ...
Fix npm run build Permission Denied on Linux
You run npm run build on your Linux machine and see Permission denied. ...
Windows 11 Blue Screen After Driver Update: Rollback Fix
You update a driver in Windows 11, and then you get a blue screen on reboot. This is a common pro...
Issue queue
SitemapERR_CONNECTION_RESET: Firewall Blocking Chrome Guide
VS Code Source Control Not Detecting Changes After Git Reinstall
Docker Disk Full: Using system df to Diagnose
How to Restore Chrome Sync After Disabling Extensions
Troubleshoot Windows Shared Folder Access Denied
Chrome Sync Stops After Disabling Extensions: Fix
Fix ERR_NAME_NOT_RESOLVED in Chrome Safe Mode
How to Fix Windows Update Error 0x80070002
DNS_PROBE_FINISHED_NXDOMAIN Chrome Fix Guide
Fix Docker Compose .env File Not Loading
How to Fix npm run build Cannot Find Module Error
Git Detached HEAD: How to Save Your Work with a Branch
VS Code Source Control Not Detecting Changes After Git Reinstall
Docker Disk Full: Using system df to Diagnose
How to Restore Chrome Sync After Disabling Extensions
Troubleshoot Windows Shared Folder Access Denied
Chrome Sync Stops After Disabling Extensions: Fix
Fix ERR_NAME_NOT_RESOLVED in Chrome Safe Mode
How to Fix Windows Update Error 0x80070002
DNS_PROBE_FINISHED_NXDOMAIN Chrome Fix Guide
Fix Docker Compose .env File Not Loading
How to Fix npm run build Cannot Find Module Error
Git Detached HEAD: How to Save Your Work with a Branch