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

Unlock a File Locked by System Command Prompt

You try to delete or move a file, but Windows says it's open in 'System' or 'Command Prompt'. Thi...

How to Restore Chrome Profile After a Crash

Symptoms of a Corrupted Chrome Profile

After a browser crash, you might see errors like '...

Fix Windows Defender Error 0x80070643 on macOS

If you see error 0x80070643 when installing or updating Windows Defender on a Mac (via Parallels,...

Fix 'PowerShell Invalid Configuration in Registry' Error

If you see an error like “PowerShell Invalid Configuration in Registry” when launching PowerShell...