I'm not very sure on the make or model of this computer, i'm not too savvy, but it used to have vista, then had 7, with 7 it would freeze often and have boot issues, iv had the hard drives wiped (thinking the issue was a virus and hoping that would fix it) but when i put in the xp install cd the computer freezes, ive tried installing ubuntu 10.10 from a flash drive, but all ive gotten is "boot error" i know the usb boot was done correctly, all nessecary partitions activated and so on, but to no avail, could it be a MB problem? or an issue with the bios? without cd i can go into bios and such but im not sure what all to do (over my head) please help
It's too hard to tell from the description you've provided, especially since you're unsure of the make and model.
I would take it to a (reputable) tech shop so that they can have a look at it, and make recommendations. It may be anything from the motherboard to RAM, to a faulty power supply.