Getting the same problem. This is the event log for it.
+ System
- Provider
[ Name] Application Error
- EventID 1000
[ Qualifiers] 0
Level 2
Task 100
Keywords 0x80000000000000
- TimeCreated
[ SystemTime] 2013-03-07T18:55:16.000000000Z
EventRecordID 4510
Channel Application
Computer
Security
- EventData
arma3.exe
0.5.102.571
512deb6a
arma3.exe
0.5.102.571
512deb6a
c0000005
0015dd71
c94
01ce1b650b90d0e1
E:\Steam\steamapps\common\Arma 3\arma3.exe
E:\Steam\steamapps\common\Arma 3\arma3.exe
8c191d37-8758-11e2-ab8c-10bf4883a172
crash 2
+ System
- Provider
[ Name] Application Error
- EventID 1000
[ Qualifiers] 0
Level 2
Task 100
Keywords 0x80000000000000
- TimeCreated
[ SystemTime] 2013-03-07T18:53:10.000000000Z
EventRecordID 4508
Channel Application
Computer
Security
- EventData
arma3.exe
0.5.102.571
512deb6a
ntdll.dll
6.1.7601.17725
4ec49b8f
c0000005
00039363
12e4
01ce1b6502d371be
E:\Steam\steamapps\common\Arma 3\arma3.exe
C:\Windows\SysWOW64\ntdll.dll
40ff9e66-8758-11e2-ab8c-10bf4883a172