after yosemite upgrade, media server frequently shut down with below error message.

I only put some portion of message since it over 3000 words limit.

Process: CGMediaServer [85826]
Path: /Applications/CGMediaServer.app/Contents/MacOS/CGMediaServer
Identifier: com.arinkosoft.CGMediaServer
Version: 2.231 (2.231)
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: CGMediaServer [85826]
User ID: 501

Date/Time: 2015-06-21 00:26:32.020 +0900
OS Version: Mac OS X 10.10.3 (14D136)
Report Version: 11
Anonymous UUID: 10013A39-6F78-EEE9-9CBF-D93B8AC39B01


Time Awake Since Boot: 1700000 seconds

Crashed Thread: 9

Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000

VM Regions Near 0:
-->
__TEXT 0000000104403000-000000010443a000 [ 220K] r-x/rwx SM=COW /Applications/CGMediaServer.app/Contents/MacOS/CGMediaServer

Thread 0:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fff9a9b24de mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff9a9b164f mach_msg + 55
2 com.apple.CoreFoundation 0x00007fff8e2cdeb4 __CFRunLoopServiceMachPort + 212
3 com.apple.CoreFoundation 0x00007fff8e2cd37b __CFRunLoopRun + 1371
4 com.apple.CoreFoundation 0x00007fff8e2ccbd8 CFRunLoopRunSpecific + 296
5 com.apple.HIToolbox 0x00007fff98bfc56f RunCurrentEventLoopInMode + 235
6 com.apple.HIToolbox 0x00007fff98bfc2ea ReceiveNextEventCommon + 431
7 com.apple.HIToolbox 0x00007fff98bfc12b _BlockUntilNextEventMatchingListInModeWithFilter + 71
8 com.apple.AppKit 0x00007fff91bfd9bb _DPSNextEvent + 978
9 com.apple.AppKit 0x00007fff91bfcf68 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 346
10 com.apple.AppKit 0x00007fff91bf2bf3 -[NSApplication run] + 594
11 com.apple.AppKit 0x00007fff91b6f354 NSApplicationMain + 1832
12 com.arinkosoft.CGMediaServer 0x00000001044048e4 0x104403000 + 6372

Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0 libsystem_kernel.dylib 0x00007fff9a9b8232 kevent64 + 10
1 libdispatch.dylib 0x00007fff99a12a6a _dispatch_mgr_thread + 52

Thread 2:
0 libsystem_kernel.dylib 0x00007fff9a9b24de mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff9a9b164f mach_msg + 55
2 com.apple.CoreFoundation 0x00007fff8e2cdeb4 __CFRunLoopServiceMachPort + 212
3 com.apple.CoreFoundation 0x00007fff8e2cd37b __CFRunLoopRun + 1371
4 com.apple.CoreFoundation 0x00007fff8e2ccbd8 CFRunLoopRunSpecific + 296
5 com.apple.AppKit 0x00007fff91cc566b _NSEventThread + 137
6 libsystem_pthread.dylib 0x00007fff8c806268 _pthread_body + 131
7 libsystem_pthread.dylib 0x00007fff8c8061e5 _pthread_start + 176
8 libsystem_pthread.dylib 0x00007fff8c80441d thread_start + 13

Thread 3:
0 libsystem_kernel.dylib 0x00007fff9a9b6762 __accept + 10
1 com.apple.Foundation 0x00007fff927d2dc2 __NSThread__main__ + 1345
2 libsystem_pthread.dylib 0x00007fff8c806268 _pthread_body + 131
3 libsystem_pthread.dylib 0x00007fff8c8061e5 _pthread_start + 176
4 libsystem_pthread.dylib 0x00007fff8c80441d thread_start + 13

Thread 4:
0 libsystem_kernel.dylib 0x00007fff9a9b733a __recvfrom + 10
1 com.apple.Foundation 0x00007fff927d2dc2 __NSThread__main__ + 1345
2 libsystem_pthread.dylib 0x00007fff8c806268 _pthread_body + 131
3 libsystem_pthread.dylib 0x00007fff8c8061e5 _pthread_start + 176
4 libsystem_pthread.dylib 0x00007fff8c80441d thread_start + 13

Thread 5:
0 libsystem_kernel.dylib 0x00007fff9a9b794a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff8c80440d start_wqthread + 13

Thread 6:
0 libsystem_kernel.dylib 0x00007fff9a9b733a __recvfrom + 10
1 com.apple.Foundation 0x00007fff927d2dc2 __NSThread__main__ + 1345
2 libsystem_pthread.dylib 0x00007fff8c806268 _pthread_body + 131
3 libsystem_pthread.dylib 0x00007fff8c8061e5 _pthread_start + 176
4 libsystem_pthread.dylib 0x00007fff8c80441d thread_start + 13

Thread 7:
0 libsystem_kernel.dylib 0x00007fff9a9b733a __recvfrom + 10
1 com.apple.Foundation 0x00007fff927d2dc2 __NSThread__main__ + 1345
2 libsystem_pthread.dylib 0x00007fff8c806268 _pthread_body + 131
3 libsystem_pthread.dylib 0x00007fff8c8061e5 _pthread_start + 176
4 libsystem_pthread.dylib 0x00007fff8c80441d thread_start + 13

Thread 8:
0 libsystem_kernel.dylib 0x00007fff9a9b794a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff8c80440d start_wqthread + 13

I'm sorry trouble you.

I am investigating the cause.

Did you use Streaming or RAR-file ?