Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Git 'index.lock' Error in VS Code

If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

How to Resolve Git Unrelated Histories Merge Conflict

When you try to merge two branches that have no common commit history, Git refuses with fat...

VS Code Source Control Not Detecting Changes After Git Reinstall
If you reinstalled Git and VS Code's Source Control panel stopped detecting file changes, you...

Fix Cloudflare Wildcard Subdomain SSL Not Working
You set up a wildcard SSL certificate for your domain on Cloudflare, but some subdomains still sh...

Windows 11 Update Stuck at 0%: Practical Checklist
You start a Windows Update and it hangs at 0% for 10, 20, 30 minutes. This is a common frustratio...

Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...


    Issue queue
Sitemap
pnpm CI Install Failure Troubleshooting
Fix ERR_NAME_NOT_RESOLVED in Chrome: Network Troubleshooting Guide
How to Resolve Windows 10 Update Error 0x800f081f
Windows Git SSL Problem: Local Issuer Certificate Missing
Python Virtual Environment Won't Activate macOS
How to Fix Node Version Incompatible with Package Error
Fix MemoryError When Reading Big Files in Python
Windows 11 Update Stuck at 0%? Try a Clean Boot
Docker Postgres Volume Permission Denied Fix
Fix Git Push Rejected: Non-Fast-Forward Error
Cloudflare Origin SSL Checklist
Resolve Windows Update 0x80070002 with Clean Boot
Desk note

    Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities