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

Windows Activation Setup Guide for a New PC

When you set up a new PC, Windows may prompt you to activate. This guide covers the typical activ...

How to Enable Windows Defender in Windows 10

If you're seeing a warning that Windows Defender is turned off, or you can't access its settings,...

Fix Microsoft Teams High Memory and CPU Usage

You open Task Manager and see Microsoft Teams using hundreds of MB of RAM and pegging the CPU. Th...

How to Fix Windows Security 404 Not Found Error

If you see a '404 Not Found' error when opening Windows Security (formerly Windows Defender), the...

How to Fix Windows Defender Network Error 0x80070422

When you see Windows Defender error 0x80070422, it usually appears while trying to update or run ...

Fixing PowerShell Remote Execution Failures on a Network