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

Fix Windows Defender Rate Limit Error on Windows 11

You may see a rate limit error when using Windows Defender on Windows 11. This usually happens du...

Fix WinRAR Checksum Error After Update

After updating WinRAR, some users see a "checksum error" when opening archives that worked before...

Fix Task Scheduler Authentication Failed Error

When a scheduled task fails with an 'authentication failed' error, it usually means the task cann...

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...

Fix kubectl apply Forbidden on GKE

Fix Windows Update Access Denied Due to Permission Settings

You try to run Windows Update, but get an 'Access Denied' error. This usually means the update pr...