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

How to Unlock a File in Windows Terminal

If you've ever tried to delete, rename, or move a file and got a message like “The action can't b...

Fix Windows Defender Not Starting Due to Invalid Config

If Windows Defender won't start and you see an error about invalid configuration, the problem is ...

How to Clear PowerShell Module Cache on Windows 10

If PowerShell modules fail to load, show outdated versions, or cause errors after updates, a corr...

Fix NVM Not Found in Git Bash on Windows

How to Fix Windows Defender Authentication Failed Error

If you see "Authentication failed" when opening Windows Defender or trying to run a scan, it usua...

Fix Microsoft Store Blank Screen with Error 0x80073cf0

You open the Microsoft Store and see a blank white screen, or an error code 0x80073cf0 appears. T...