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

Fix 'Microsoft Store Module Not Found' Error on Reinstall

When you try to reinstall an app from the Microsoft Store, you might see an error like "module no...

Fix Windows Activation Version Mismatch Due to Incorrect Edition

You install or upgrade Windows, then see an activation error like “The version of Windows you hav...

Fix 502 Bad Gateway in Task Scheduler

If you're seeing a 502 Bad Gateway error when a Task Scheduler job runs, it usua...

How to Fix Windows Defender Not Turning On

Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...

Fix Windows Security Failed to Start Due to Corrupted System Files

You open Windows Security and see the message: "Windows Security failed to start. Corrupted syste...

Fix Windows Search Access Denied for Administrator Account

Why You See 'Access Denied' as Administrator

You're logged in as an administrator, but Wi...