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

How to Reset Remote Desktop Credentials for Authentication Failed Error

You try to connect to a remote PC and get an Authentication failed error, even t...

Fix Microsoft Teams SSL Certificate Expired Error

You open Microsoft Teams and see a warning that the SSL certificate has expired. The app may fail...

How to Reinstall Windows Security in Windows 10

If Windows Security is missing, not opening, or showing errors, you can reinstall it without thir...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Port Already Allocated Error When Windows Security Is Off

You try to start a local server or application and get an error saying the port is already alloca...

Fix Windows Activation Key Not Found Command Line Error

When you run slmgr /ipk or a similar command to activate Windows, you might see an e...