BSOD After Waking Up from Sleep Mode

Hi, and HELP!

I see the Blue Screen of Death (BSOD) whenever I wake-up my computer, (a DELL Dimension 9200a desktop running 64-bit WIN 7 with 3 GB and an Intel Q6700). "Critical" Event Log:

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />
<EventID>41</EventID>
<Version>2</Version>
<Level>1</Level>
<Task>63</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000002</Keywords>
<TimeCreated SystemTime="2010-01-15T09:46:45.502814000Z" />
<EventRecordID>3775</EventRecordID>
<Correlation />
<Execution ProcessID="4" ThreadID="8" />
<Channel>System</Channel>
<Computer>KIMCAROLINE-PC</Computer>
<Security UserID="S-1-5-18" />
</System>
- <EventData>
<Data Name="BugcheckCode">122</Data>
<Data Name="BugcheckParameter1">0xfffff6fc400097d8</Data>
<Data Name="BugcheckParameter2">0xffffffffc000000e</Data>
<Data Name="BugcheckParameter3">0x304e3860</Data>
<Data Name="BugcheckParameter4">0xfffff880012fbc7c</Data>
<Data Name="SleepInProgress">true</Data>
<Data Name="PowerButtonTimestamp">0</Data>
</EventData>
</Event>



Advice welcome, gratitude given in advance.

Kim