cant get system to log on properly

i was recently infected with the spyware 2009 virus and i thouht i found a solution through google (using other computer for search) so i went to log onto infected computer to remove virus and every acc in safe mode regular and debug mode will log on play log on sound and then log right back off befor showing anything including icons.

i need to get beck into my system any ideas?

ps:i got system for free a while back so i dont have the cd for it (win xp pro 2002 sp2)

 

got diff comp now