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

Fix OBS Black Screen and Permission Denied on Windows 11

You launch OBS Studio on Windows 11, add a display capture or game capture source, and see only a...

How to Fix Microsoft Teams Not Launching on Mac

If Microsoft Teams won’t launch on your Mac—clicking the icon does nothing, or it bounces in the ...

Reset Microsoft Store Using wsreset Command

Fix Windows Defender Connection Refused Error 0x80070005

When you open Windows Defender (Microsoft Defender Antivirus) and see a connection refused error ...

BitLocker Update Failed No Recovery Key: How to Fix

You try to update Windows, and BitLocker asks for a recovery key you don't have. The update fails...

Clear Microsoft Teams Cache via Command Line

Microsoft Teams caches data locally to improve performance, but a corrupted or overloaded cache c...