i should post this incase it will help. it is the only error i can find in the system logs that is related.
Log Name: Application
Source: Application Error
Date: 7/17/2008 10:06:53 PM
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer: 4v0yb71
Description:
Faulting application ashDisp.exe, version 4.8.1201.0, time stamp 0x482c3a9b, faulting module wdmaud.drv, version 6.0.6001.18000, time stamp 0x47919414, exception code 0x80000003, fault offset 0x0002711d, process id 0xd50, application start time 0x01c8e8939f167229.
Event Xml:
<Event xmlns="
http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Application Error" />
<EventID Qualifiers="0">1000</EventID>
<Level>2</Level>
<Task>100</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2008-07-18T05:06:53.000Z" />
<EventRecordID>1980</EventRecordID>
<Channel>Application</Channel>
<Computer>4v0yb71</Computer>
<Security />
</System>
<EventData>
<Data>ashDisp.exe</Data>
<Data>4.8.1201.0</Data>
<Data>482c3a9b</Data>
<Data>wdmaud.drv</Data>
<Data>6.0.6001.18000</Data>
<Data>47919414</Data>
<Data>80000003</Data>
<Data>0002711d</Data>
<Data>d50</Data>
<Data>01c8e8939f167229</Data>
</EventData>
</Event>
hope it will help.