It sounds scarier than it is.

To disable a program, simply right-click on it and select “Disable.” Be cautious not to disable essential system programs. Focus on third-party applications that you don’t need immediately after ...

I'm not exactly sure if its CMOS or BIOS, but i'm trying to learn that setup screen that you can access at the start of your computer boot up by pressing "Delete". I'm finding it very interesting ...