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

Fix Windows Defender Threat History Not Loading Due to Timeout

When you open Windows Security and click on 'Threat history', you might see a spinning circle fol...

How to Fix Outlook 504 Gateway Timeout

When Outlook shows a 504 Gateway Timeout, it means the server (often Exchange or a web proxy) did...

Ubuntu Remote Desktop Port 3389 Not Listening: Fixes

You installed xrdp on Ubuntu, enabled remote desktop, but when you try to connect from a Windows ...

Fix Windows Terminal Permission Denied File Locked Error

Fix Windows Security Service Not Running Error

You open Windows Security and see a red banner: “Windows Security service is not running.” Or you...

Fix Windows Activation Version Mismatch Using slmgr

If you see an error like "The version of this file is not compatible with the version of Windows ...