Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

npm run build Failed: Troubleshooting Checklist

When npm run build fails, the error message can be cryptic. This checklist walks thr...

Docker Container Exits Immediately on Windows: How to Fix

You start a Docker container on Windows, and it stops within seconds. The container exits immedia...

Fix Docker Nginx 502 Bad Gateway After Restart

After restarting your Docker containers, you might see a 502 Bad Gateway error when accessing you...

How to Fix the Git index.lock File Exists Error

You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...

Fix Windows Defender Error 0x800704ec: Real-Time Protection
If you see error code 0x800704ec when turning on Windows Defender real-time protection, the servi...

Cloudflare Wildcard Subdomain Cache Not Working: Fixes
If you use a wildcard DNS record like *.example.com proxied through Cloudflare, you ...


    Issue queue
Sitemap
Fix Chrome Startup Crash Without Losing Bookmarks
Git Push Timeout for Large Files: Fixes
Fix Python Permission Denied When Installing Virtualenv with Pip
Windows Security App Broken After Update: Solutions
Troubleshoot Nginx Access Denied for Mounted Filesystem
Git Fatal: Refusing to Merge Unrelated Histories – Workaround
Fix npm install ENOENT Error: No Such File or Directory
Troubleshooting VS Code Git Change Detection
Resolve Cloudflare 521 via SSL Settings
How to Fix Nginx 403 on Mounted Drive
Fix VS Code Git Authentication Failed: Step-by-Step Guide
Python Permission Denied Windows Package Install Fix
Desk note

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