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

How to Resolve Port Conflicts Using Command Prompt

If you see an error like "port already in use" or "address already in use" when starting a server...

Windows Defender Real-Time Protection Off but Still Scanning: Fix

You turn off real-time protection in Windows Defender, but scans still run. This can be confusing...

Fix Windows Security Center Version Mismatch Errors

You open Windows Security and see a message about a version mismatch, or the Security Center serv...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Windows Defender Setup Checklist for New PC

When you set up a new PC, Windows Defender (now called Microsoft Defender Antivirus) is already a...

Reset Remote Desktop Configuration: Step-by-Step Guide

If you're unable to connect to a remote desktop after changing settings or after an update, the c...