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

How to Run Windows Security Features on Ubuntu

If you need to run Windows-specific security features—like Windows Defender, Windows Firewall, or...

Windows Activation for Ubuntu Installation Guide

You installed Ubuntu alongside Windows and now Windows shows it's not activated. This is a known ...

How to Fix PowerShell 502 Bad Gateway Error

When you run a PowerShell command that calls a web service (like Invoke-RestMethod o...

Task Scheduler Proxy Server Not Working: Fixes

If scheduled tasks that require internet access fail silently or return proxy errors, the issue o...

Fix VirtualBox Kernel Driver Permission Denied on Linux

Task Scheduler Job Not Running at Scheduled Time: Fixes

You set a task in Windows Task Scheduler, but it doesn't run when it should. This is a common fru...