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

Edge Browser Not Opening on Windows 11: Practical Fixes

You click the Edge icon, nothing happens. Or it flashes briefly and disappears. This is a common ...

Fix VS Code Extension Host Crashing on Startup

If Visual Studio Code opens but then immediately shows an error that the extension host has termi...

MongoDB Authentication Failed: Administrator Checklist

How to Fix PostgreSQL Password Authentication Failed Error

If you're seeing FATAL: password authentication failed for user when connecting to P...

Fix Windows Security Not Launching at Startup

You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...

Redis Server Won't Start After Config Change: Fixes

You edited redis.conf, restarted the service, and now Redis won't start. This is a common issue. ...