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

Windows Defender Not Working After Update: Checklist

After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...

How to Install Command Line Tools Without Internet Access

You're setting up a machine with no internet, or you're on a restricted network. You need command...

Fix 'Port Already Allocated' Error in Microsoft Teams

When starting Microsoft Teams, you might see an error like "Port already allocated" or "The proce...

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 Outlook Stuck on Loading After Windows 10 Update

After a Windows 10 update, Outlook may freeze on the loading screen with no error message. This u...

Fix WinSCP 'Permission Denied' for Root User

If you're seeing a 'Permission denied' error in WinSCP when trying to connect as root, the issue ...