BSOD Playing Marvel Heroes, Bugcheck Code 78 No clue how to convert it

Hadn't had any problems with this computer in awhile, so I guess I was due...

Anyhoo, I have no clue what this BSOD relates to, I can't remember how to convert the Bugcheck code to w/e format is used.

If anyone could help me out here that would be great.

- <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="2013-09-19T10:45:10.514001800Z" />

<EventRecordID>156753</EventRecordID>

<Correlation />

<Execution ProcessID="4" ThreadID="8" />

<Channel>System</Channel>

<Computer>ShittyComputer</Computer>

<Security UserID="S-1-5-18" />

</System>


- <EventData>
<Data Name="BugcheckCode">78</Data>

<Data Name="BugcheckParameter1">0x99</Data>

<Data Name="BugcheckParameter2">0x5783a</Data>

<Data Name="BugcheckParameter3">0x0</Data>

<Data Name="BugcheckParameter4">0xb3fba</Data>

<Data Name="SleepInProgress">false</Data>

<Data Name="PowerButtonTimestamp">0</Data>

</EventData>


</Event>