I ran the SFC check and everything is OK. This is what it says in event viewer.
Log Name: System
Source: volmgr
Date: 1/16/2011 4:50:03 AM
Event ID: 45
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: Richard
Description:
The system could not sucessfully load the crash dump
driver.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="volmgr" />
<EventID Qualifiers="49156">45</EventID>
<Level>2</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2011-01-16T10:50:03.124834400Z" />
<EventRecordID>111968</EventRecordID>
<Channel>System</Channel>
<Computer>Richard</Computer>
<Security />
</System>
<EventData>
<Data>\Device\HarddiskVolume1</Data>
<Binary>0000000001000000000000002D0004C003200000100000C000000000000000000000000000000000</Binary>
</EventData>
</Event>