I've had this problem a few months back, but after an update (windower) it happened to go away. I'll get the crash dump up asap.
edit:
Problem signature:
Problem Event Name: APPCRASH
Application Name: pol.exe
Application Version: 1.18.13.0
Application Timestamp: 4e3bcddc
Fault Module Name: luacore.DLL
Fault Module Version: 1.8.1.2
Fault Module Timestamp: 54a40979
Exception Code: c0000005
Exception Offset: 000a6f05
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789
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