Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server

If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

Fix VSCode Git Authentication Failed: Reset Credentials

If you see a "Git authentication failed" error in Visual Studio Code, it usually means yo...

Fix Docker Compose 'Port Already Allocated' for MySQL

You run docker compose up and get an error like Error: Port 3306 is already al...

Fix Windows 11 Bluetooth Driver Not Working
You're trying to connect a Bluetooth device in Windows 11, but the toggle is grayed out, devi...

How to Fix Cloudflare Error 521: Origin Server Unreachable
If you see Cloudflare error 521, your origin server is not responding to Cloudflare's request...

Fix 'Package Requires Different Node Version' Error
You try to install or run a package and get an error like package requires a different Node...


    Issue queue
Sitemap
Docker Desktop Engine Troubleshooting Guide
How to Fix Node.js OOM in Test Suites
Linux VS Code: Git Authentication Failed Troubleshooting
How to Debug Docker Build Context Canceled
Fix 'No Such File or Directory' for package.json in Cloned Repo
Fix Python MemoryError When Reading Large Text Files
Resolve Git index.lock Error on Windows
Resolve Permission Denied for pip in VS Code Terminal
How to Fix npm install Permission Denied with nvm
Mac M1 Docker Engine Failure: How to Restart
Git index.lock Error: How to Fix It
How to Fix Docker Build Timeout on Network Shares
Desk note

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