Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Git index.lock File Exists: Quick Fix Checklist

You try to run a Git command and see fatal: Unable to create 'path/.git/index.lock'...

Fix Docker Compose Port Already Allocated on Linux
You run docker-compose up and get an error like Error starting userland proxy:...

Fix ERR_NAME_NOT_RESOLVED Caused by Antivirus Block
If you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means the browser can'...

How to Fix Git Push Rejected (Non-Fast-Forward) Error
You run git push and get an error like ! [rejected] main -> main (non-fast-...

Fix 'Permission Denied' in VS Code Terminal for Node.js
You're working in VS Code, run npm install or node app.js, and get ...

Windows 11 Update Stuck at 0%? Here's How to Fix It
You click "Check for updates" and see the download sitting at 0% for minutes or hours. Th...


    Issue queue
Sitemap
Fixing Edge Sync Error 0x80072efd on Windows
ERR_NAME_NOT_RESOLVED Fix: Router DNS Settings
How to Unstick Windows 11 Installation at 99%
Firefox Secure Connection Error After Update Fix
Fix VS Code IntelliSense Not Working After Update
Restore Windows Search Indexing After Upgrade
Docker Volume Permission Denied on Windows Fix
Docker Build Fails: No Space Left on Device Fix
Reduce Chrome Memory Usage Without Restart
Troubleshoot Docker Desktop Startup Permission Denied
Resolving Conflicts When Merging Git Branches
Fix Blank Terminal in VS Code Remote SSH
Desk note

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