It is a sound card driver. I suggest starting off by reinstalling the sound drivers.

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Glen Ventura, MS MVP W95/98 Systems
http://dts-l.org/goodpost.htm
> Everytime I am online, I end up with an error that reads
> wdmaud.drv 1:00000013 and then freezes up then crashes.
> How can I fix this? Please feel free to email me!
> dmbtoo@comcast.net
> Thanks!