unwanted files and priodic crashing
 

Is there anybody out there!
That can help me fix limewire,I to keep getting thousands of undesirable files being downloaded automatically into a folder that that it makes itself called complete 1s.My computer has become so slow and windows keeps telling me that i am running low on disc space.I am running lw 4.9.33 on xp via broadband cable modem,with avg antivirus with firewall and microsoft antispyware.What more can i do ! Please help.