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

Fix PowerShell Ubuntu Missing Dependencies in WSL

When trying to install PowerShell on Ubuntu under WSL, you might see errors about missing depende...

Fix Command Prompt Blank Screen When Typing Commands

You open Command Prompt, start typing, and nothing appears—no characters, no cursor movement, jus...

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

Fix Windows Terminal 'Unable to Verify the First Certificate' Error

When using Windows Terminal to connect to a remote server via SSH or access a website over HTTPS,...

Fix Microsoft Teams Camera Permission Denied Error

When you try to start a video call in Microsoft Teams and see a "Camera permission denied" error,...

BitLocker DNS Error 0x80072f8f: Causes and Fixes