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

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Fixing Microsoft Teams Authentication Failed for Guest Users

When a guest user sees 'Authentication failed' in Microsoft Teams, they cannot sign in or access ...

Microsoft Teams Installation Fails on Windows 10: Fixes That Work

When you try to install Microsoft Teams on Windows 10, the setup may stop partway through, show a...

Fix PowerShell Not Working on Ubuntu: Common Causes & Solutions

You've installed PowerShell on Ubuntu, but it won't start or throws errors. This guide covers the...

Fix Windows Security Invalid Configuration Error Without Reinstalling

You open Windows Security and see the message: "Invalid configuration" or "Something went wrong. ...

Windows Terminal Auto Start Troubleshoot Checklist

If Windows Terminal doesn't open when you log into Windows, it's usually a configuration or permi...