This week my system began to act a bit strange, and became slower every day. I decided to re-install Windows, and from work I have access to Windows XP x64.

Installing it and all went fine. I only have one driver left to find, so if anyone can point me to it, I'd be very happy.

I'm looking for a 64bit driver for the HP Deskjet 5652.

Just thinking out loud but did you try just installing the 32-bit driver available at hp.com