This happened to me when running 10.6.6 10J3210 (from MBP early 2011) on my MacPro. I fixed it by removing /System/Library/PrivateFrameworks/AppleGVA.framework (back it up somewhere).
I try your solution, but continue crashing.
but the erros changes..
Process: iTunes [252]
Path: /Applications/iTunes.app/Contents/MacOS/iTunes
Identifier: com.apple.iTunes
Version: 10.2.1 (10.2.1)
Build Info: iTunes-10210101~1
Code Type: X86 (Native)
Parent Process: launchd [177]
Date/Time: 2011-03-23 22:27:50.734 -0400
OS Version: Mac OS X 10.6.7 (10J3250)
Report Version: 6
Interval Since Last Report: 159606 sec
Crashes Since Last Report: 13
Per-App Interval Since Last Report: 189 sec
Per-App Crashes Since Last Report: 10
Anonymous UUID: FD2BEAF2-BC36-444E-A462-8408F2498018
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000008
Crashed Thread: 2 Dispatch queue: FigFPSharedContextFPInitializationQueue
Thread 0: Dispatch queue: com.apple.main-thread
0 libSystem.B.dylib 0x937090ba mach_msg_trap + 10
1 libSystem.B.dylib 0x93709827 mach_msg + 68
2 com.apple.iTunes 0x001375a3 0x1000 + 1271203
3 com.apple.iTunes 0x0004ba23 0x1000 + 305699
4 com.apple.iTunes 0x0013751d 0x1000 + 1271069
5 com.apple.iTunes 0x00815240 0x1000 + 8471104
6 com.apple.iTunes 0x001309e5 0x1000 + 1243621
7 com.apple.iTunes 0x0013094d 0x1000 + 1243469
8 com.apple.HIToolbox 0x9269ec0f DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1567
9 com.apple.HIToolbox 0x9269ded6 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 411
10 com.apple.HIToolbox 0x9269dd35 SendEventToEventTargetWithOptions + 58
11 com.apple.HIToolbox 0x926d2984 ToolboxEventDispatcherHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) + 3006
12 com.apple.HIToolbox 0x9269f060 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 2672
13 com.apple.HIToolbox 0x9269ded6 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 411
14 com.apple.HIToolbox 0x926c0773 SendEventToEventTarget + 52
15 com.apple.iTunes 0x001156cd 0x1000 + 1132237
16 com.apple.HIToolbox 0x9269ec0f DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1567
17 com.apple.HIToolbox 0x9269ded6 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 411
18 com.apple.HIToolbox 0x9269dd35 SendEventToEventTargetWithOptions + 58
19 com.apple.HIToolbox 0x926d2984 ToolboxEventDispatcherHandler(OpaqueEventHandlerCallRef*, OpaqueEventRef*, void*) + 3006
20 com.apple.HIToolbox 0x9269f060 DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 2672
21 com.apple.HIToolbox 0x9269ded6 SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 411
22 com.apple.HIToolbox 0x926c0773 SendEventToEventTarget + 52
23 com.apple.HIToolbox 0x92849c17 ToolboxEventDispatcher + 86
24 com.apple.HIToolbox 0x92849d4f RunApplicationEventLoop + 243
25 com.apple.iTunes 0x003b29d9 0x1000 + 3873241
26 com.apple.iTunes 0x003b3249 0x1000 + 3875401
27 com.apple.iTunes 0x00818dba 0x1000 + 8486330
28 com.apple.iTunes 0x00004f60 0x1000 + 16224
29 com.apple.iTunes 0x00004ca5 0x1000 + 15525
Thread 1: Dispatch queue: com.apple.libdispatch-manager
0 libSystem.B.dylib 0x9372f942 kevent + 10
1 libSystem.B.dylib 0x9373005c _dispatch_mgr_invoke + 215
2 libSystem.B.dylib 0x9372f519 _dispatch_queue_invoke + 163
3 libSystem.B.dylib 0x9372f2be _dispatch_worker_thread2 + 240
4 libSystem.B.dylib 0x9372ed41 _pthread_wqthread + 390
5 libSystem.B.dylib 0x9372eb86 start_wqthread + 30
Thread 2 Crashed: Dispatch queue: FigFPSharedContextFPInitializationQueue
0 com.apple.AppleGVAFramework 0x1c7c7323 AVFQTX_CreateMediaAcceleratorInterface + 44877
1 com.apple.AppleGVAFramework 0x1c7c7cac AVFQTX_CreateMediaAcceleratorInterface + 47318
2 ...le.MediaToolbox.AVCFSupport 0x017b1a16 _FigCFCaptionRendererAddCommandDataForRow + 26255
3 ...le.MediaToolbox.AVCFSupport 0x017b1c6e _FigCFCaptionRendererAddCommandDataForRow + 26855
4 libSystem.B.dylib 0x9373cfe4 _dispatch_call_block_and_release + 16
5 libSystem.B.dylib 0x9372fa4c _dispatch_queue_drain + 249
6 libSystem.B.dylib 0x9372f4a8 _dispatch_queue_invoke + 50
7 libSystem.B.dylib 0x9372f2be _dispatch_worker_thread2 + 240
8 libSystem.B.dylib 0x9372ed41 _pthread_wqthread + 390
9 libSystem.B.dylib 0x9372eb86 start_wqthread + 30
Thread 3:
0 libSystem.B.dylib 0x937090ba mach_msg_trap + 10
1 libSystem.B.dylib 0x93709827 mach_msg + 68
2 com.apple.CoreFoundation 0x99c5437f __CFRunLoopRun + 2079
3 com.apple.CoreFoundation 0x99c53464 CFRunLoopRunSpecific + 452
4 com.apple.CoreFoundation 0x99c593a4 CFRunLoopRun + 84
5 com.apple.iTunes 0x0000c7a0 0x1000 + 47008
6 libSystem.B.dylib 0x93736819 _pthread_start + 345
7 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 4:
0 libSystem.B.dylib 0x9370911a semaphore_timedwait_signal_trap + 10
1 libSystem.B.dylib 0x93736ca1 _pthread_cond_wait + 1066
2 libSystem.B.dylib 0x93765ac8 pthread_cond_timedwait_relative_np + 47
3 com.apple.iTunes 0x00022e58 0x1000 + 138840
4 com.apple.iTunes 0x00022291 0x1000 + 135825
5 libSystem.B.dylib 0x93736819 _pthread_start + 345
6 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 5: com.apple.CFSocket.private
0 libSystem.B.dylib 0x93728086 select$DARWIN_EXTSN + 10
1 com.apple.CoreFoundation 0x99c93c83 __CFSocketManager + 1091
2 libSystem.B.dylib 0x93736819 _pthread_start + 345
3 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 6:
0 libSystem.B.dylib 0x937090ba mach_msg_trap + 10
1 libSystem.B.dylib 0x93709827 mach_msg + 68
2 com.apple.CoreFoundation 0x99c5437f __CFRunLoopRun + 2079
3 com.apple.CoreFoundation 0x99c53464 CFRunLoopRunSpecific + 452
4 com.apple.CoreFoundation 0x99c593a4 CFRunLoopRun + 84
5 com.apple.iTunes 0x007deebc 0x1000 + 8249020
6 libSystem.B.dylib 0x93736819 _pthread_start + 345
7 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 7:
0 libSystem.B.dylib 0x9378172a accept$UNIX2003 + 10
1 com.apple.iTunes 0x003c9e40 0x1000 + 3968576
2 com.apple.iTunes 0x004314ed 0x1000 + 4392173
3 com.apple.iTunes 0x0043166d 0x1000 + 4392557
4 libSystem.B.dylib 0x93736819 _pthread_start + 345
5 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 8:
0 libSystem.B.dylib 0x9378172a accept$UNIX2003 + 10
1 com.apple.iTunes 0x003c9e40 0x1000 + 3968576
2 com.apple.iTunes 0x004314ed 0x1000 + 4392173
3 com.apple.iTunes 0x0043166d 0x1000 + 4392557
4 libSystem.B.dylib 0x93736819 _pthread_start + 345
5 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 9:
0 libSystem.B.dylib 0x937090ba mach_msg_trap + 10
1 libSystem.B.dylib 0x93709827 mach_msg + 68
2 com.apple.CoreFoundation 0x99c5437f __CFRunLoopRun + 2079
3 com.apple.CoreFoundation 0x99c53464 CFRunLoopRunSpecific + 452
4 com.apple.CoreFoundation 0x99c593a4 CFRunLoopRun + 84
5 com.apple.iTunes 0x0000c7a0 0x1000 + 47008
6 libSystem.B.dylib 0x93736819 _pthread_start + 345
7 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 10:
0 libSystem.B.dylib 0x937090ba mach_msg_trap + 10
1 libSystem.B.dylib 0x93709827 mach_msg + 68
2 com.apple.CoreFoundation 0x99c5437f __CFRunLoopRun + 2079
3 com.apple.CoreFoundation 0x99c53464 CFRunLoopRunSpecific + 452
4 com.apple.CoreFoundation 0x99c593a4 CFRunLoopRun + 84
5 com.apple.iTunes 0x0000c7a0 0x1000 + 47008
6 libSystem.B.dylib 0x93736819 _pthread_start + 345
7 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 11:
0 libSystem.B.dylib 0x937090ba mach_msg_trap + 10
1 libSystem.B.dylib 0x93709827 mach_msg + 68
2 com.apple.CoreFoundation 0x99c5437f __CFRunLoopRun + 2079
3 com.apple.CoreFoundation 0x99c53464 CFRunLoopRunSpecific + 452
4 com.apple.CoreFoundation 0x99c593a4 CFRunLoopRun + 84
5 com.apple.iTunes 0x0000c7a0 0x1000 + 47008
6 libSystem.B.dylib 0x93736819 _pthread_start + 345
7 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 12:
0 libSystem.B.dylib 0x93737062 __semwait_signal + 10
1 libSystem.B.dylib 0x93736d1e _pthread_cond_wait + 1191
2 libSystem.B.dylib 0x937389b8 pthread_cond_wait$UNIX2003 + 73
3 com.apple.iTunes 0x000497e3 0x1000 + 296931
4 com.apple.iTunes 0x0004976b 0x1000 + 296811
5 com.apple.iTunes 0x0004968d 0x1000 + 296589
6 com.apple.iTunes 0x000494e7 0x1000 + 296167
7 libSystem.B.dylib 0x93736819 _pthread_start + 345
8 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 13:
0 libSystem.B.dylib 0x93737062 __semwait_signal + 10
1 libSystem.B.dylib 0x93736d1e _pthread_cond_wait + 1191
2 libSystem.B.dylib 0x937389b8 pthread_cond_wait$UNIX2003 + 73
3 com.apple.iTunes 0x000497e3 0x1000 + 296931
4 com.apple.iTunes 0x0004976b 0x1000 + 296811
5 com.apple.iTunes 0x0004968d 0x1000 + 296589
6 com.apple.iTunes 0x000494e7 0x1000 + 296167
7 libSystem.B.dylib 0x93736819 _pthread_start + 345
8 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 14:
0 libSystem.B.dylib 0x9370911a semaphore_timedwait_signal_trap + 10
1 libSystem.B.dylib 0x93736ca1 _pthread_cond_wait + 1066
2 libSystem.B.dylib 0x93765ac8 pthread_cond_timedwait_relative_np + 47
3 com.apple.audio.CoreAudio 0x9773a3ab CAGuard::WaitFor(unsigned long long) + 219
4 com.apple.audio.CoreAudio 0x9773d3dd CAGuard::WaitUntil(unsigned long long) + 289
5 com.apple.audio.CoreAudio 0x9773acda HP_IOThread::WorkLoop() + 1892
6 com.apple.audio.CoreAudio 0x9773a571 HP_IOThread::ThreadEntry(HP_IOThread*) + 17
7 com.apple.audio.CoreAudio 0x9773a488 CAPThread::Entry(CAPThread*) + 140
8 libSystem.B.dylib 0x93736819 _pthread_start + 345
9 libSystem.B.dylib 0x9373669e thread_start + 34
Thread 15:
0 libSystem.B.dylib 0x937090ba mach_msg_trap + 10
1 libSystem.B.dylib 0x93709827 mach_msg + 68
2 com.apple.Metadata 0x9810b9f5 mdsFetchAttributesForItems + 182
3 com.apple.Metadata 0x9810b087 __newAttr + 791
4 com.apple.Metadata 0x9810ac3e _MDCopyUTITypeFromLS + 44
5 com.apple.Metadata 0x9810a5e7 _MDItemValidateOperation + 59
6 com.apple.Metadata 0x9810a52f MDItemSetAttribute + 76
7 ...ple.CoreServices.CarbonCore 0x933fd321 CSBackupSetItemExcluded + 430
8 com.apple.iTunes 0x000ae254 0x1000 + 709204
9 com.apple.iTunes 0x00179c49 0x1000 + 1543241
10 com.apple.iTunes 0x001148f3 0x1000 + 1128691
11 libSystem.B.dylib 0x93736819 _pthread_start + 345
12 libSystem.B.dylib 0x9373669e thread_start + 34