PlugPlayManager Problem

I got vista installed and even got some of Office XP installed before this
wierd problem started happening. Here is hte event log:

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="PlugPlayManager" />
<EventID Qualifiers="49152">12</EventID>
<Level>2</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2006-06-09T05:56:09.000Z" />
<EventRecordID>6591</EventRecordID>
<Channel>System</Channel>
<Computer>AGLAPTOP</Computer>
<Security />
</System>
- <EventData>
<Data>_NEC DVD+-RW ND-6500A ATA Device</Data>

<Data>IDE\CdRom_NEC_DVD+-RW_ND-6500A___________________2.81____\5&1c994b69&0&0.1. 0</Data>
<Binary>00000000</Binary>
</EventData>
</Event>

Basically the Plug & Play Manager is shutting down my DVD/CD Rom and I have
no idea why. I can't install any other software now. Anyone have any idea
what's happening? I am running Vista Beta 2 clean install, but on a second
partition.