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

Fix Windows Security 404 Error Not Loading

You open Windows Security and see a 404 error or the page fails to load. This usually points to a...

How to Check Which Process Is Using a Port in PowerShell

When a service fails to start or an application complains that a port is already in use, you need...

How to Fix CMD High Memory Usage

If you notice that Command Prompt (cmd.exe) is using an unusually high amount of memory (e.g., hu...

Windows Security App Not Working After Update: Fixes

After a Windows update, the Windows Security app may fail to open, show a blank screen, or displa...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Remote Desktop Auto Start Service Not Running: Fix Guide

When you try to connect to a Windows machine via Remote Desktop and get an error about the servic...