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

Fix Windows Update Token Expired Registry Error

If you see a 'token expired' or 'Token Expired' error when checking for Windows updates, the issu...

How to Fix Windows Defender Antivirus Disabled Permanently

If Windows Defender Antivirus stays disabled even after you try to turn it on, the problem is oft...

Fix Microsoft Teams Stuck on Loading Black Screen

When Microsoft Teams gets stuck on a black screen during startup, the app window may show nothing...

Fix Outlook Service Unavailable Error by Repairing Office Installation

You open Outlook and see the message: "Outlook service unavailable. Cannot start Microsoft Outloo...

Fix 'Service Not Found' Error for Task Scheduler on Ubuntu

Fix Windows Security High Memory Usage

If you notice that Windows Security (formerly Windows Defender) is using a lot of memory—sometime...