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' File Exists Error in SourceTree

If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...

Fix VS Code Git Authentication Failed: Step-by-Step Guide
You're in the middle of a push or pull in VS Code, and you get a red error: "Authenticati...

Fix Windows Security App Not Starting on Windows 11
You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...

Add Python to PATH on Windows 10 When 'Command Not Found'
After installing Python on Windows 10, typing python in Command Prompt may give you ...

Fix Git 'index.lock file exists' Error
If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

Fixing Python UnicodeDecodeError When Reading CSV Files
You're trying to read a CSV file in Python and you get UnicodeDecodeError: 'utf-8&#...


    Issue queue
Sitemap
Windows 11 No Internet but Wi-Fi Connected: DNS Fix
Windows 11 Update Not Progressing? Low Disk Space Fix
Fix Missing Environment Variables in Docker Compose
Docker Port Conflict Troubleshooting Checklist
Windows 11 Blue Screen After Update: Stop the Loop
Working Around the Externally Managed Environment pip Error
How to Fix Cloudflare Error 521: Server Not Responding
Resolve npm Permission Denied on Windows 10
Windows Search Index Not Finding Files: How to Fix
How to Resolve Docker Permission Denied on Start
Preserve Docker Images During Engine Reinstall
Fix Node Sass Build Failed GYP Error: Step-by-Step Guide
Desk note

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