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

Fix Microsoft Store Error 0x80246007 During Updates

When you try to update an app through the Microsoft Store, you might see error 0x80246007. This u...

Fix Windows Defender Service Unavailable Error

You open Windows Security and see the message 'Windows Defender service unavailable' or 'Windows ...

Fix 'Windows Activation Command Not Found' by Checking System Files

When you run slmgr.vbs or cscript slmgr.vbs to activate Windows and get...

Fix 'Permission Denied' When Opening System32 in Command Prompt

Fix Microsoft Store SSL Certificate Expired Error

You open the Microsoft Store and see an error about an SSL certificate being expired. The store m...

FFmpeg Video and Audio Out of Sync: Practical Fixes

You encoded a video with FFmpeg and now the audio drifts or is completely out of sync. This is a ...