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

Fix VirtualBox Kernel Driver Not Installed on Windows 10

How to Fix Windows Defender 'Command Not Found' Error

You open Command Prompt to run MpCmdRun.exe or Get-MpPreference and get...

How to Configure Proxy in Windows Terminal

If you need Windows Terminal to use a proxy server—for example, behind a corporate firewall or a ...

Fix Windows Activation 502 Bad Gateway Network Error

When activating Windows, you may see a "502 Bad Gateway" network error. This usually means the ac...

Fix Microsoft Store Not Loading Due to DNS Error

If the Microsoft Store won’t load and you see a DNS-related error, your computer is likely having...

Windows Activation Stuck on Loading Screen: Practical Fixes

You open Settings > Update & Security > Activation, and it just sits there spinning. The activati...