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

Fix Windows Security High Memory Usage: Practical Steps

If you notice your PC slowing down and Task Manager shows Windows Security (or Antimalware Servic...

PowerShell Missing After Windows Update – How to Fix

After installing a Windows update, you may find that PowerShell no longer appears in the Start me...

Fix Windows Search Indexing Service Not Starting Automatically

If you open Task Manager and see that the Windows Search indexing service is set to start automat...

Fix PowerShell Remote Connection Refused Error

Fix Windows Search Token Expired Error 0x80090016

If you see the error “Windows Search Token Expired” with code 0x80090016, it usually means the se...

Fix Windows Security Blank Screen: Step-by-Step Guide

You open Windows Security but see only a blank white or gray screen. The interface fails to load,...