|Which is it ???|
You say rundll32, then you say rundll
There is a RUNDLL32.EX_ inside this folder --- C:\WINDOWS\I386
I think that file has to be 'Expanded' and placed into this folder ---- C:\WINDOWS\system32
How to expand Windows XP files from the installation disk
If you can get into Windows XP, or Windows Safe-Mode, then you can 'Expand' the file using Method # 1 in the article, without using an XP CD.