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

Fix Chrome Profile File Locked by Another User

If Chrome shows "Your profile could not be opened correctly" or "The profile appears to be in use...

Fix Windows Defender Real-Time Protection Greyed Out

If you open Windows Security and find the real-time protection toggle greyed out, you can't click...

Fix Task Scheduler '404 Not Found' After Windows Update

After a recent Windows update, you might open Task Scheduler and see a "404 Not Found" error when...

Fix Windows Defender Update Error 0x80240022

You try to update Windows Defender, but it fails with error 0x80240022. This usually means Window...

Fix MongoDB Authentication Failed Permission Denied Error