This is what it said when it crashes.
OBS has encountered an unhandled exception and has terminated. If you are able to
reproduce this crash, please submit this crash report on the forums at
http://www.obsproject.com/ - include the contents of this crash log and the
minidump .dmp file (if available) as well as your regular OBS log files and
a description of what you were doing at the time of the crash.
This crash appears to have occured in the 'c:\program files (x86)\elgato\gamecapture\mc_trans_video_imagescaler.dll' module.
**** UNHANDLED EXCEPTION: c0000005
Fault address: 77BA8764 (c:\program files (x86)\elgato\gamecapture\mc_trans_video_imagescaler.dll)
OBS version: Open Broadcaster Software v0.638b
Windows version: 6.1 (Build 7601) Service Pack 1
CPU: Intel(R) Core(TM) i7-3610QM CPU @ 2.30GHz
Crashing thread stack trace:
Stack EIP Arg0 Arg1 Arg2 Arg3 Address
19EF2B90 77BA8764 00000008 19EF8104 00000168 77B87FFC mc_trans_video_imagescaler.dll!0x77ba8764
19EF2C30 77B87BFE 19EFE150 19EF8204 00000168 00000168 mc_trans_video_imagescaler.dll!0x77b87bfe
19EF2C40 77B87FFC 19EFE300 00000168 00000168 19EFE150 mc_trans_video_imagescaler.dll!0x77b87ffc
19EF2C80 77B88D09 00000000 00000000 00000000 00000000 mc_trans_video_imagescaler.dll!0x77b88d09