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

Fix Windows Update Blank Screen with No Cursor

You install a Windows update, reboot, and instead of the login screen you see a blank display wit...

Fix GitHub Actions Cache Action Permission Denied Error

Fix Windows Search 502 Bad Gateway Errors Caused by Firewall Blocks

You open Windows Search, type a query, and get a "502 Bad Gateway" error. This often means a fire...

Resolving Task Scheduler Port Conflicts: A Practical Guide

When a scheduled task fails to run and you see errors like 'port already in use' or 'cannot bind ...

Docker Compose Network Not Working: Common Fixes

You've defined services in a docker-compose.yml file, but containers can't reach each other by se...

How to Set Up Windows Security for Network Access

If you're having trouble accessing network resources—like shared folders, printers, or internet c...