I have a Win 32.Downloader .gen virus/worm ive tried everything to get rid of this virus/worm i really dont know what to do next 
Hi,
There is no malware / virus removal here for now so I suggest you sign up for help from one of the free malware removal sites where an expert will work with you until your system is clean.
http://www.bleepingcomputer.com/
http://www.geekstogo.com/forum/
http://www.cybertechhelp.com/forums/
http://support.emsisoft.com/forum/6-help-my-pc-is-infected/
http://forums.whatthetech.com/
Dave