I think the title is "Windows XP Black Screen" and the poster is saying that he/she ran Spyware Doctor then on reboot got a black screen - possibly with a flashing cursor..
Unfortunately, I don't think many people can read Dutch on here, so it would be better if you could get someone to help with the translation between yourself and the forum.
Otherwise, this might be your best way forward:
You will need to set the CD/DVD drive to be first to boot (in BIOS).
some other bloke...