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

Fix Microsoft Store 502 Bad Gateway Due to Network Settings

You open the Microsoft Store and see a '502 Bad Gateway' error. This often means your device cann...

Fix 'Permission Denied' When Running Windows Activation on Ubuntu

If you're trying to activate Windows from Ubuntu and see a 'permission denied' error, you're like...

Reset DNS Cache Using Command Prompt Not Working: Fixes

You open Command Prompt as administrator, type ipconfig /flushdns, and press Enter. ...

Fix Microsoft Teams High Memory and CPU Usage

You open Task Manager and see Microsoft Teams using hundreds of MB of RAM and pegging the CPU. Th...

Fix Windows Activation Authentication Failed: Invalid Product Key

You see "Windows activation authentication failed" or "product key not valid" when trying to acti...

Fix kubectl Apply Forbidden in AKS: Permission Denied