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

Fix Windows Security High CPU Usage on Windows 10

If your Windows 10 PC is running slow and Task Manager shows Windows Security (or Antimalware Ser...

Fix Windows Activation Port Error 0x80072efd

If you see error 0x80072efd when trying to activate Windows, the message often says something lik...

Fix Jupyter Kernel Not Starting on Windows 10

When you launch a Jupyter notebook and the kernel never starts—or shows a 'Kernel error' or 'Conn...

How to Fix PowerShell Version Mismatch Error

How to Enable Command Prompt Session Logging

If you need to record everything that happens in a Command Prompt session—for troubleshooting, au...

Fix 'File Being Used by Another Process' in PowerShell

When you run a PowerShell script that tries to read, write, or delete a file, you might see the e...