Knowledge base for software setup, errors, and daily tool work.

VSCode IntelliSense Not Working for Dart/Flutter: Fixes

You're writing Dart or Flutter code in VSCode, but IntelliSense (autocomplete, suggestions, g...

Fix Windows Update Service Not Running with DISM Restore Health

You try to run DISM /Online /Cleanup-Image /RestoreHealth and get an error saying th...

Windows Security App Not Opening: Practical Fixes

If the Windows Security app won't open—clicking the icon does nothing, or it crashes immediat...

Docker Desktop Engine Stopped on Mac M1: Fixes That Work

On Apple Silicon Macs (M1, M2, M3), Docker Desktop sometimes shows the error “Docker Desktop engi...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

How to Fix Git Clone Timeout on Slow Internet

If you're seeing fatal: unable to access 'https://...' : Failed to connect ...:...