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

Fix Command Prompt High CPU Usage Caused by Windows Update

You open Task Manager and see Command Prompt (cmd.exe) using a lot of CPU – sometimes 30% or more...

Fix Windows Update Offline Installer Network Error

When you run the Windows Update offline installer (the .msu file) and get a network error, it usu...

Fix Microsoft Store 'Port Already Allocated' Error with Netsh

If you see an error like "The port is already allocated" when trying to install or updat...

How to Install PowerShell on Mac Step by Step

If you're setting up a Mac for scripting or automation, you may need PowerShell. This guide walks...

Fix OneDrive SSL Certificate Error After Update

After a recent Windows or Office update, you may see an SSL certificate error in OneDrive. The er...

Fix Chrome Profile Port Already Allocated Error