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

Fix 'File Locked by Unknown Process' in Command Prompt

You try to delete, rename, or move a file, but Windows says it's locked by an unknown process. Th...

How to Fix Windows Security Auto Start Not Working

You expect Windows Security to start on boot, but it doesn't. The icon might be missing from the ...

How to Fix Windows Search 'Permission Denied' Errors

When you try to search for a file in Windows and see 'Permission Denied' or 'Access Denied', it u...

How to Fix Chrome Browser Failed to Start

When Chrome fails to start, you may see a brief flash of a window, an error message, or nothing a...

Fix Windows Security Not Opening or Running Slow

If Windows Security (formerly Windows Defender) won't open or takes forever to load, it's usually...

Fix MongoDB Authentication Failed Permission Denied Error