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

Fix Windows Activation Permission Denied Error

You try to activate Windows, but get a 'permission denied' error. This usually means the activati...

How to Fix Microsoft Store App Installation Stuck

You click Install in the Microsoft Store, the progress bar starts, then it just sits there—maybe ...

Fix Windows Security Authentication Error 0x80070035

Fix Microsoft Teams Screen Sharing Not Working on Ubuntu

Screen sharing in Microsoft Teams on Ubuntu often fails silently—your audience sees a black scree...

Fix Windows Activation Error 0x80070005: File Locked

When activating Windows, you might see error 0x80070005 with a message that a file is locked. Thi...

How to Fix Windows Security Not Responding or Loading

Windows Security (formerly Windows Defender) may sometimes get stuck on a loading screen or show ...