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

Fix PowerShell Connection Refused to Remote Server

You try to run Enter-PSSession or Invoke-Command to a remote server and...

Fix Windows Security High Memory Usage

If you notice that Windows Security (formerly Windows Defender) is using a lot of memory—sometime...

BitLocker Recovery Key Not Accepted After BIOS Update

After a BIOS update, you might be prompted for your BitLocker recovery key, only to find that the...

Windows Activation Setup Guide for a New PC

When you set up a new PC, Windows may prompt you to activate. This guide covers the typical activ...

How to Fix '404 Not Found' File Path Errors in CMD

How to Disable Remote Desktop Certificate Warnings

When connecting to a remote desktop, you may see a warning that the remote computer's identity ca...