Thanks for the reply. Yes, I wondered the same. However, I posted a HJT log one week ago (for a different problem) and I notice that both a sound manager program (soundman.exe) and my NVidia card cause rundll.exe to be run, so I suppose everything is fine. It just worried me that it was said that you shouldn't normally see it in TaskManager and, as my shutdown was often hanging, I wondered if these were related. I'll plod on and see what develops - if anything. Thanks.
>> Stay informed about: XP Pro SP2 rundll32.exe appears twice in TaskManager