The error didn't occur once more. I will take a look on it the next days and come back if I see it again.
By checking the event log of windows I found two entries of the crash. I will attach this for documentation.
Feed 1:
Spoiler:
- <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="2013-05-21T06:01:57.000Z" />
<EventRecordID>122280</EventRecordID>
<Channel>Application</Channel>
<Computer>xxxxx-Antec</Computer>
<Security />
</System>
- <EventData>
<Data>calibre-parallel.exe</Data>
<Data>0.9.31.0</Data>
<Data>5195bb0c</Data>
<Data>libxml2.dll</Data>
<Data>0.0.0.0</Data>
<Data>50a1c3b6</Data>
<Data>c0000005</Data>
<Data>0000000000012e74</Data>
<Data>940</Data>
<Data>01ce55e8642ad8f7</Data>
</EventData>
</Event>
Feed 2:
Spoiler:
- <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="2013-05-21T06:07:20.000Z" />
<EventRecordID>122282</EventRecordID>
<Channel>Application</Channel>
<Computer>xxxxx-Antec</Computer>
<Security />
</System>
- <EventData>
<Data>calibre-parallel.exe</Data>
<Data>0.9.31.0</Data>
<Data>5195bb0c</Data>
<Data>libxml2.dll</Data>
<Data>0.0.0.0</Data>
<Data>50a1c3b6</Data>
<Data>c0000005</Data>
<Data>0000000000012e74</Data>
<Data>1988</Data>
<Data>01ce55e96f351f27</Data>
</EventData>
</Event>