Rundll32 How do I delete it?

Rundll32 How do I delete Corrupted Version I got huge problems with rundll32 hardly anything is working so how do I delete rundll32 I try'd sfc / scannow but it just put the good non corrupted version in the system 32 folder and name'd it RUNDLL32(2) so it never replaced the corrpted version how do I avoid Cannot delete rundll32: it is being use'd by another person or program close any programs that might be useing the file and try again trouble is I don't know what processes use rundll32 in the process menu on the task manager if somebody can help me delete this corrupted peice of crap and replace it with the good one I would be very estatic because this has been a thorn in my side for weeks.

 

Bump Oi I can not use the date and time I can't use 90% of the stuff in controll pannel can somebody tell me how to delete RUNDLL32 Before my head explodes please

 

Ok like I see some maby 36 page views and nobody has said a thing to me not even a moderator has try'd to help me even the guy whos topic says PLEASE HELP ME!!!! is geting more attention and your rules spcificly say NOT TO PUT HELP ME PLZ AS TITLE.

Sign'd extreamly disapointed by the quality of the fourm if you can't help me fine but at least say some thing or point me in the right direction or at least bump my request for help if im not geting any help now I may as well kill myself if I end up on page 2.