rundll32.exe huge problem

hi.i have huge problem.it seemsthat werry old antivirus or a virus program deleted my rundll32.exe file.when i push right button on desctop and then propertys t shows me red box that is saying rundll32.exe was not fuond.also i cant open clock or add/remove in control panel.i took search but i fuond rundll32.exe not n windows but in some preference foldeer.maybe you could help me and tell how to restore that one little file.because i dont have right now my windows and i dont know what to do?(i run antivirus and search&destroy and they fuond nothing)
please help

 

you have acouple of options. I would first try going to start then run and type cmd then hit enter..at the command prompt type sfc /scanonce then type exit and restart the computer. if that doesn't work then try restoring to an earlier time with system restore. if that doesn't work then try tapping the F8 key at boot up and select last known good configuration. Or if you are really scared try downloading an undelete program their are many that are free at microsoft market place and see if it shows up in the list to restore. Hope this was helpful

 

Post 2 has a link to where you can download the file and where to put it

http://forums.spybot.info/showthread.php?t=11421