You have to hit ctrl+d to dismiss this message and continue the boot process.

There's no malicious code that has managed to stick itself into the boot process.

This is called the boot process, or booting the PC.

A program plays music during the boot process.

First, it can be used to optimize the boot process on your computer automatically.

Often the user must reinstall Windows, if the missing file is critical to the boot process.

Other than slowing down the first 20 seconds of your boot process, you'll experience no other differences.

And this is a good thing, locking down the boot process.

There are established time budgets for individual parts of the boot process.

Any hardware drivers that the boot process depends on must be loaded.