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

How to Fix Windows Security Error 0x80070422

You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...

Windows Activation Service Unavailable on New Computer

You just set up a new computer, but when you try to activate Windows, you see an error that the a...

Fix FFmpeg Audio Out of Sync in VLC Playback

You encoded a video with FFmpeg, but when you play it in VLC, the audio drifts out of sync. This ...

Fix Windows Defender Threat Service Stopped & No Internet

You open Windows Security and see 'Threat service has stopped. Restart it now.' At the same time,...

Fix Windows Activation Module Missing Error

You see a message that the Windows activation module is missing or not found, often when trying t...

Fix Chrome 504 Gateway Timeout When Using a VPN