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

Fix Windows 10 Product Key Not Working After Hardware Change

You replaced a major component—often the motherboard—and now Windows 10 says your product key isn...

Disable Windows Defender Real-Time Protection via Group Policy

If you're managing a Windows 10 or 11 Pro/Enterprise environment, you might need to disable Windo...

How to Fix Task Scheduler High CPU Usage from Background Tasks

You open Task Manager and see Task Scheduler consuming 20–50% CPU, even when your PC is idle. Bac...

Fix Nginx 502 Bad Gateway Behind Cloudflare

If you're seeing a 502 Bad Gateway error on a site that uses both Nginx and Clou...

How to Fix Microsoft Store Stuck on Loading When Reinstalling Apps

You try to reinstall an app from the Microsoft Store, but it gets stuck on the loading screen. Th...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...