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

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

How to Reset Your Jupyter Notebook Token

When you try to open Jupyter Notebook and see a prompt asking for a token or password, you've lik...

How to Fix Windows Update High CPU Usage

You're working, and suddenly your fan spins up, the system feels sluggish, and Task Manager shows...

Fix Windows Activation Error 0xc004f074 KMS

If you see error 0xc004f074 when trying to activate Windows, it usually means the Key Management ...

Fix High CPU Usage by Antivirus Scanning PowerShell

If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...

Fix Windows Update Service Not Starting Due to Permission Denied

You click Start for the Windows Update service, and it fails with “Permission Denied” or error 5....