rundll32.exe problem in windows xp home

HI All,
My Lap top with Windows Xp Home as OS got a virus problem , i cleaned the virus but now am getting another problem. if i double click any application on the desk top getting an error saying "Windows Can' find 'C: My application path' Make sure you type the name correctly' .
when i try to open same application from Program files it gives me message "Windows Can't find rundll32.exe'
please help me how to get these back on track
thanks
kolluru

 

It sounds like the exe file association has been tampered with.

Here's a link to a page with an XP exe fix.

It is #12 on the page.

http://www.kellys-korner-xp.com/xp_tweaks.htm