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...

Fix Windows Activation Error After Hardware Change

If you've recently replaced your motherboard, CPU, or other major hardware, you may see a Windows...

Fix Windows Update Error 0x800f0922: Step-by-Step Guide

You click 'Check for updates' and after a while see error 0x800f0922. This usually happens when W...

Fix Nginx 404 Not Found After Changing Root Directory

After updating the root directive in your Nginx server block, you might start seeing...

Fix Windows Update Authentication Failed After Password Change

You changed your Windows password, and now Windows Update shows an authentication failed error. T...

MongoDB Compass Connection Refused Due to Firewall: Fixes

You open MongoDB Compass, enter your connection string, and get connect ECONNREFUSED...