From: Davie on 02/16/2004|
Take a look at this MSKB Article
It applies Windows 95 but may help you.
Also try this Forum
It looks like your version of mmsys.cpl is corrupt and will have to be replaced from your Windows CD. You may be able to download a copy from the Internet, if you only have a "Recovery" disc
Try a Google search.
Hope this helps.