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

How to Enable Windows Security Auto-Start in Windows 11

If you notice that Windows Security isn't opening automatically when you start Windows 11, or if ...

Fix Python venv Activation Script Not Running in PowerShell

You create a Python virtual environment, run the activation script, and nothing happens—or you se...

Fix Chrome Profile Download Stuck at 99% on Windows

You're downloading a Chrome profile (or a file that triggers a profile download) and it gets stuc...

Chrome Blank Screen After Profile Login: Practical Fixes

You log into your Chrome profile, and instead of your homepage or tabs, you get a blank white scr...

How to Fix Chrome SSL Certificate Error After Update

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...