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

Fix BitLocker Error 504 When Unlocking a Drive

When you try to unlock a BitLocker-encrypted drive and see error 504, the drive remains locked an...

Fix OBS Black Screen After Game Capture Setup

You set up a game capture source in OBS Studio, but the preview shows a black screen. The game ru...

How to Reset Windows Defender Settings to Default

If Windows Defender isn't behaving as expected—real-time protection won't turn on, settings are g...

How to Fix Missing Firefox Profile in Windows 10

You launch Firefox on Windows 10 and get an error that your profile is missing or cannot be found...

Fix Windows Update SSL Certificate Errors Not Working