My computer all of a sudden is full of spyware. Dont know how it got on there, but I cant seem to get it off. I am running spysweeper and ghostsurf spycatcher, and I keep scanning and quarantining the threats, but the software wont let me remove the spyware, and it keeps letting more spyware in, despite a new firewall and new encryption software. I just want this stuff off my computer. It makes the computer extremely slow and unresponsive.