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 Even After Deleting: Fixes

You delete the .git/index.lock file, but Git still says it exists. This can happen d...

How to Fix Firefox Secure Connection Failed with VPN

You're using a VPN and Firefox suddenly shows 'Secure Connection Failed' on sites tha...

How to Fix Nginx 502 Bad Gateway in Docker Compose

If you're running an application with Docker Compose and Nginx as a reverse proxy, a 502 Bad ...

Fix 'Python Virtual Environment Activate Command Not Found'

When you try to activate a Python virtual environment with source venv/bin/activate ...

How to Fix Git Push Rejected (Non Fast-Forward Error)

When you run git push and see ! [rejected] with non fast-forward<...

How to Fix VS Code IntelliSense Not Working
If you're seeing no suggestions, missing completions, or a spinning 'Loading...' in V...


    Issue queue
Sitemap
Python MemoryError Large File Fix Checklist
Fix 'Bluetooth Hardware Not Found' on Windows 11
How to Restore VS Code Terminal After an Update
Chrome Stuck on Startup – How to Fix
Why Your Cloudflare Wildcard Page Rule Isn't Working
Firefox DNS Error Troubleshooting Guide
Fix 'Git Remote Origin Already Exists' Error
Resolve Peer Dependency Issues in pnpm
Resolving npm Build Errors from Missing Environment Variables
Fix Docker 'No Space Left on Device' in Container
VS Code Terminal 'Command Not Found' Fix
Fix Git Non-Fast-Forward Push Rejection
Desk note

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