ICal Helper Crashing (Snow Leopard 10.6.2)

I no longer get iCal alarm notifications on my desktop. I believe it's because iCal Helper keeps crashing (log example at the end of this message). I've tried deleting iCal caches, preferences, et al. to no avail. I really hope that it's not caused by one or more corrupt events because the process of elimination would be extremely painful given how many meetings are in my calendar. Any ideas are much appreciated. Thanks!
Process: iCal Helper [11354]
Path: /System/Library/Frameworks/CalendarStore.framework/Versions/A/Resources/iCal Helper.app/Contents/MacOS/iCal Helper
Identifier: com.apple.iCal.helper
Version: 4.0.1 (1374)
Build Info: iCal-13740000~4
Code Type: X86-64 (Native)
Parent Process: launchd [839]
Date/Time: 2009-12-07 13:11:35.914 -0800
OS Version: Mac OS X 10.6.2 (10C540)
Report Version: 6
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Application Specific Information:
abort() called
* Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '* -[NSCFArray insertObject:atIndex:]: attempt to insert nil'
* Call stack at first throw:
0 CoreFoundation 0x00007fff8245b444 __exceptionPreprocess + 180
1 libobjc.A.dylib 0x00007fff835530f3 objcexceptionthrow + 45
2 CoreFoundation 0x00007fff8245b267 +[NSException raise:format:arguments:] + 103
3 CoreFoundation 0x00007fff8245b1f4 +[NSException raise:format:] + 148
4 Foundation 0x00007fff864a7c52 -[NSCFArray insertObject:atIndex:] + 119
5 CalendarStore 0x00007fff83cd049a +[CalManagedStore(CalendarSourceIPI) entitiesFromManagedCalendarItems:] + 624
6 CalendarStore 0x00007fff83c476ae -[CALBag resetTimeBasedView:inManagedObjectContext:] + 368
7 CalendarStore 0x00007fff83c46f25 -[CALBag internal_createAlarmView:inManagedObjectContext:] + 205
8 iCal Helper 0x0000000100026044 0x0 + 4295123012
9 iCal Helper 0x000000010000238d 0x0 + 4294976397
10 CoreFoundation 0x00007fff8240a82d -[NSSet makeObjectsPerformSelector:] + 205
11 AppKit 0x00007fff85871913 -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:] + 1445
12 AppKit 0x00007fff85aeac94 old_loadNib + 262
13 AppKit 0x00007fff8586f2be +[NSBundle(NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:] + 861
14 AppKit 0x00007fff8586ee91 +[NSBundle(NSNibLoading) loadNibNamed:owner:] + 326
15 iCal Helper 0x00000001000019d0 0x0 + 4294973904
16 iCal Helper 0x00000001000015d4 0x0 + 4294972884
Thread 0 Crashed: Dispatch queue: com.apple.main-thread
0 libSystem.B.dylib 0x00007fff83263fe6 __kill + 10
1 libSystem.B.dylib 0x00007fff83304e32 abort + 83
2 libstdc++.6.dylib 0x00007fff830875d2 _tcf0 + 0
3 libobjc.A.dylib 0x00007fff83556d29 objcterminate + 100
4 libstdc++.6.dylib 0x00007fff83085ae1 _cxxabiv1::_terminate(void (*)()) + 11
5 libstdc++.6.dylib 0x00007fff83085b16 _cxxabiv1::_unexpected(void (*)()) + 0
6 libstdc++.6.dylib 0x00007fff83085bfc _gxx_exception_cleanup(_Unwind_ReasonCode, UnwindException*) + 0
7 libobjc.A.dylib 0x00007fff83553192 object_getIvar + 0
8 com.apple.CoreFoundation 0x00007fff8245b267 +[NSException raise:format:arguments:] + 103
9 com.apple.CoreFoundation 0x00007fff8245b1f4 +[NSException raise:format:] + 148
10 com.apple.Foundation 0x00007fff864a7c52 -[NSCFArray insertObject:atIndex:] + 119
11 com.apple.CalendarStore 0x00007fff83cd049a +[CalManagedStore(CalendarSourceIPI) entitiesFromManagedCalendarItems:] + 624
12 com.apple.CalendarStore 0x00007fff83c476ae -[CALBag resetTimeBasedView:inManagedObjectContext:] + 368
13 com.apple.CalendarStore 0x00007fff83c46f25 -[CALBag internal_createAlarmView:inManagedObjectContext:] + 205
14 com.apple.iCal.helper 0x0000000100026044 0x100000000 + 155716
15 com.apple.iCal.helper 0x000000010000238d 0x100000000 + 9101
16 com.apple.CoreFoundation 0x00007fff8240a82d -[NSSet makeObjectsPerformSelector:] + 205
17 com.apple.AppKit 0x00007fff85871913 -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:] + 1445
18 com.apple.AppKit 0x00007fff85aeac94 old_loadNib + 262
19 com.apple.AppKit 0x00007fff8586f2be +[NSBundle(NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:] + 861
20 com.apple.AppKit 0x00007fff8586ee91 +[NSBundle(NSNibLoading) loadNibNamed:owner:] + 326
21 com.apple.iCal.helper 0x00000001000019d0 0x100000000 + 6608
22 com.apple.iCal.helper 0x00000001000015d4 0x100000000 + 5588
Thread 1: Dispatch queue: com.apple.libdispatch-manager
0 libSystem.B.dylib 0x00007fff8322ebba kevent + 10
1 libSystem.B.dylib 0x00007fff83230a85 dispatch_mgrinvoke + 154
2 libSystem.B.dylib 0x00007fff8323075c dispatch_queueinvoke + 185
3 libSystem.B.dylib 0x00007fff83230286 dispatch_workerthread2 + 244
4 libSystem.B.dylib 0x00007fff8322fbb8 pthreadwqthread + 353
5 libSystem.B.dylib 0x00007fff8322fa55 start_wqthread + 13
Thread 2:
0 libSystem.B.dylib 0x00007fff8322f9da _workqkernreturn + 10
1 libSystem.B.dylib 0x00007fff8322fdec pthreadwqthread + 917
2 libSystem.B.dylib 0x00007fff8322fa55 start_wqthread + 13
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x00007fff70517298 rcx: 0x00007fff5fbfeea8 rdx: 0x0000000000000000
rdi: 0x0000000000002c5a rsi: 0x0000000000000006 rbp: 0x00007fff5fbfeec0 rsp: 0x00007fff5fbfeea8
r8: 0x00007fff7051a9e0 r9: 0x0000000000000063 r10: 0x00007fff83260026 r11: 0x0000000000000202
r12: 0x00007fff824dfca1 r13: 0x0000000000000000 r14: 0x00007fff85fb94a8 r15: 0x0000000000000285
rip: 0x00007fff83263fe6 rfl: 0x0000000000000202 cr2: 0x00007fff704f2fd0
Binary Images:
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0x7fff841eb000 - 0x7fff842faff7 libcrypto.0.9.8.dylib ??? (???) <A2DA70D0-02AE-89FA-1CDA-B3CA986CAE6D> /usr/lib/libcrypto.0.9.8.dylib
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0x7fff84426000 - 0x7fff8447bfef com.apple.framework.familycontrols 2.0 (2.0) <8DD78DC7-4C73-EDE6-86A4-BC35B335ED5F> /System/Library/PrivateFrameworks/FamilyControls.framework/Versions/A/FamilyCon trols
0x7fff8447c000 - 0x7fff8447efff libRadiance.dylib ??? (???) <376EAE92-8F25-9202-CC35-8EED5BD471FC> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libRadiance.dylib
0x7fff8447f000 - 0x7fff844b6ff7 libssl.0.9.8.dylib ??? (???) <2D7FAEF9-A3CD-9F80-7CDE-852D3C93AEDB> /usr/lib/libssl.0.9.8.dylib
0x7fff844b7000 - 0x7fff844b9fef com.apple.ExceptionHandling 1.5 (10) <F2867B93-A56A-974F-9556-266BCE394057> /System/Library/Frameworks/ExceptionHandling.framework/Versions/A/ExceptionHand ling
0x7fff844c5000 - 0x7fff844e6fff libresolv.9.dylib ??? (???) <01C7C750-7F6A-89B3-C586-5C50A839019E> /usr/lib/libresolv.9.dylib
0x7fff84650000 - 0x7fff8471cfff com.apple.CFNetwork 454.5 (454.5) <319C7138-2839-DA5E-413A-618248BD4A32> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNetwo rk.framework/Versions/A/CFNetwork
0x7fff8484c000 - 0x7fff8484cff7 com.apple.Accelerate 1.5 (Accelerate 1.5) <E517A811-E0E6-89D0-F397-66122C7A25A4> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
0x7fff8484d000 - 0x7fff84888fe7 com.apple.CoreMedia 0.420.18 (420.18) <30166EED-C905-A818-9C3C-32E4EEA20995> /System/Library/PrivateFrameworks/CoreMedia.framework/Versions/A/CoreMedia
0x7fff84889000 - 0x7fff848e9fff com.apple.ExchangeWebServices 1.1 (56) <76BE6B3A-45B7-0FD3-CE9F-A0616C79B26E> /System/Library/PrivateFrameworks/ExchangeWebServices.framework/Versions/A/Exch angeWebServices
0x7fff848ea000 - 0x7fff84908fff libPng.dylib ??? (???) <7635B74B-5415-9767-A881-E0B017F62376> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libPng.dylib
0x7fff84912000 - 0x7fff84912ff7 com.apple.quartzframework 1.5 (1.5) <B182B579-BCCE-81BF-8DA2-9E0B7BDF8516> /System/Library/Frameworks/Quartz.framework/Versions/A/Quartz
0x7fff84913000 - 0x7fff8494cff7 com.apple.MeshKit 1.0 (49.0) <7587A7F2-DF5D-B8B2-A6A8-1389CF28BC51> /System/Library/PrivateFrameworks/MeshKit.framework/Versions/A/MeshKit
0x7fff8494d000 - 0x7fff84963fff com.apple.ImageCapture 6.0 (6.0) <5B5AF8FB-C12A-B51F-94FC-3EC4698E818E> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture. framework/Versions/A/ImageCapture
0x7fff84964000 - 0x7fff84a6dfff com.apple.MediaToolbox 0.420.18 (420.18) <0A2444E8-DA72-7DC8-084F-D78D28E5C74F> /System/Library/PrivateFrameworks/MediaToolbox.framework/Versions/A/MediaToolbo x
0x7fff84a6e000 - 0x7fff84a7dfff com.apple.NetFS 3.2.1 (3.2.1) <FF21DB1E-F425-1005-FB70-BC19CAF4006E> /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS
0x7fff84a7e000 - 0x7fff84adafff libGLU.dylib ??? (???) <6A6612BC-1AF9-08EC-80B2-B697238EED47> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
0x7fff84adb000 - 0x7fff84aeeff7 com.apple.syncservices.syncservicesui 5.1 (578) <E103A7E4-EAD3-53F4-601A-E854870469FF> /System/Library/PrivateFrameworks/SyncServicesUI.framework/Versions/A/SyncServi cesUI
0x7fff84bc7000 - 0x7fff852bb537 com.apple.CoreGraphics 1.536.12 (???) <0DCA088B-0C6B-146F-0341-9E0212B5CA50> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ CoreGraphics.framework/Versions/A/CoreGraphics
0x7fff854c9000 - 0x7fff85578fff edu.mit.Kerberos 6.5.9 (6.5.9) <42364D54-C647-14DE-2B1C-D94DAA03F092> /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
0x7fff8557e000 - 0x7fff8557eff7 com.apple.Carbon 150 (152) <8D8CF535-90BE-691C-EC1B-63FBE2162C9B> /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon
0x7fff855bd000 - 0x7fff855f8ff7 com.apple.AE 496.1 (496.1) <27D2D2E9-B309-7E65-8C3F-7FF01148F0DE> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.fram ework/Versions/A/AE
0x7fff85623000 - 0x7fff85624ff7 com.apple.TrustEvaluationAgent 1.1 (1) <51867586-1C71-AE37-EAAD-535A58DD3550> /System/Library/PrivateFrameworks/TrustEvaluationAgent.framework/Versions/A/Tru stEvaluationAgent
0x7fff85625000 - 0x7fff8565afff libGLImage.dylib ??? (???) <8AB3A26A-4CC4-4E6D-95CC-530FD7204599> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dyl ib
0x7fff8565b000 - 0x7fff85667fef libbz2.1.0.dylib ??? (???) <4AA81AA7-DF37-6430-07D1-F59F37AEC357> /usr/lib/libbz2.1.0.dylib
0x7fff85668000 - 0x7fff85675ff7 com.apple.AppleFSCompression 1.0 (1.0) <06099990-D14E-CBD3-8E6A-23905A3B4A48> /System/Library/PrivateFrameworks/AppleFSCompression.framework/Versions/A/Apple FSCompression
0x7fff857b5000 - 0x7fff85869ff7 com.apple.ColorSync 4.6.2 (4.6.2) <78A86D96-7758-6BFE-7231-A0C70F185FDD> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ColorSync.framework/Versions/A/ColorSync
0x7fff8586a000 - 0x7fff8625efff com.apple.AppKit 6.6.3 (1038.25) <2F7A5AC8-29E7-9B5F-D3F1-4C7F5821BB80> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
0x7fff8625f000 - 0x7fff86419fef com.apple.ImageIO.framework 3.0.1 (3.0.1) <10202E28-34DD-71CA-BE5D-1BE5C8DE2198> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/ImageIO
0x7fff8641a000 - 0x7fff8642dfff libGL.dylib ??? (???) <5F9DAF5F-C25C-B6C2-C9BC-3D91D723FD85> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
0x7fff8642e000 - 0x7fff864a0fef com.apple.CoreSymbolication 2.0 (23) <06F8561E-4B36-7BF6-31BA-64091B3D8058> /System/Library/PrivateFrameworks/CoreSymbolication.framework/Versions/A/CoreSy mbolication
0x7fff864a1000 - 0x7fff86722fe7 com.apple.Foundation 6.6.1 (751.14) <767349DB-C486-70E8-7970-F13DB4CDAF37> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
0x7fff86723000 - 0x7fff86735fe7 libsasl2.2.dylib ??? (???) <76B83C8D-8EFE-4467-0F75-275648AFED97> /usr/lib/libsasl2.2.dylib
0x7fff86736000 - 0x7fff86738fff com.apple.print.framework.Print 6.0 (237) <70DA9755-5DC1-716B-77E2-E42C5DAB85A2> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framewo rk/Versions/A/Print
0x7fff86739000 - 0x7fff86b7cfef libLAPACK.dylib ??? (???) <0CC61C98-FF51-67B3-F3D8-C5E430C201A9> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libLAPACK.dylib
0x7fff86b7d000 - 0x7fff86ce9ff7 com.apple.QTKit 7.6.3 (1591.3) <2AD2AC43-F6A8-F2CE-CCFE-9E8E38E47BB0> /System/Library/Frameworks/QTKit.framework/Versions/A/QTKit
0x7fff86d1a000 - 0x7fff86d99fff com.apple.audio.CoreAudio 3.2.2 (3.2.2) <2633DFAC-F6A6-489D-8DF0-F12639CCD8C4> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
0x7fff86d9a000 - 0x7fff86de1fef com.apple.QuickLookFramework 2.1 (327.3) <6B3D79C5-E19B-97E1-673F-74731A0B188B> /System/Library/Frameworks/QuickLook.framework/Versions/A/QuickLook
0x7fff86de2000 - 0x7fff86df6ff7 com.apple.speech.synthesis.framework 3.10.35 (3.10.35) <621B7415-A0B9-07A7-F313-36BEEDD7B132> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ SpeechSynthesis.framework/Versions/A/SpeechSynthesis
0x7fff86e13000 - 0x7fff86e19ff7 IOSurface ??? (???) <8E0EE904-59D1-9AA0-CE55-B1777F4BAEC1> /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface
0x7fff86e1a000 - 0x7fff86f58fff com.apple.CoreData 102.1 (250) <8DDA49A1-F78C-DE30-8B58-EBC49E4E7ABF> /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
0x7fff86f59000 - 0x7fff86f60fff com.apple.OpenDirectory 10.6 (10.6) <72A65D76-7831-D31E-F1B3-9E48BF26A98B> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/OpenDirectory
0x7fff86f61000 - 0x7fff86fa8ff7 com.apple.coreui 2 (113) <60D2FE5C-8470-A0F4-379B-1E90FBD4FE7D> /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
0x7fff86fa9000 - 0x7fff86faafff liblangid.dylib ??? (???) <EA4D1607-2BD5-2EE2-2A3B-632EEE5A444D> /usr/lib/liblangid.dylib
0x7fff86fab000 - 0x7fff86fcbff7 com.apple.DirectoryService.Framework 3.6 (621.1) <FC0C2E15-84E2-B4A8-18EE-3AE620111627> /System/Library/Frameworks/DirectoryService.framework/Versions/A/DirectoryServi ce
0x7fff86fcc000 - 0x7fff86fe2fef libbsm.0.dylib ??? (???) <42D3023A-A1F7-4121-6417-FCC6B51B3E90> /usr/lib/libbsm.0.dylib
0x7fff86fe3000 - 0x7fff8707dfff com.apple.ApplicationServices.ATS 4.1 (???) <E2A107C5-0230-265A-E40D-CFE0219C99E1> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ATS.framework/Versions/A/ATS
0x7fff8707e000 - 0x7fff870e6ff7 com.apple.MeshKitRuntime 1.0 (49.0) <580F1945-540B-1E68-0341-A6ADAD78397E> /System/Library/PrivateFrameworks/MeshKit.framework/Versions/A/Frameworks/MeshK itRuntime.framework/Versions/A/MeshKitRuntime
0x7fff870e7000 - 0x7fff870edfff com.apple.AOSNotification 1.1.0 (123.3) <9436ED02-186A-E6CC-E594-31E3942A5898> /System/Library/PrivateFrameworks/AOSNotification.framework/Versions/A/AOSNotif ication
0x7fff870f0000 - 0x7fff871acff7 libFontParser.dylib ??? (???) <99DEA723-9D02-2361-E3C7-034E25C5B829> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ATS.framework/Versions/A/Resources/libFontParser.dylib
0x7fff871bb000 - 0x7fff87247fef SecurityFoundation ??? (???) <B69E2FF9-A698-4923-BC8B-180224B6EF75> /System/Library/Frameworks/SecurityFoundation.framework/Versions/A/SecurityFoun dation
0x7fff87296000 - 0x7fff872edfff com.apple.Symbolication 1.1 (67) <73B6FC15-9E05-69E2-2955-14F82F9BC337> /System/Library/PrivateFrameworks/Symbolication.framework/Versions/A/Symbolicat ion
0x7fff87d2c000 - 0x7fff87d42ff7 com.apple.MultitouchSupport.framework 204.9 (204.9) <2BBD800A-0456-D90D-3205-8CE61F3A8F05> /System/Library/PrivateFrameworks/MultitouchSupport.framework/Versions/A/Multit ouchSupport
0x7fff87d43000 - 0x7fff87d72ff7 com.apple.quartzfilters 1.6.0 (1.6.0) <9CECB4FC-1CCF-B8A2-B935-5888B21CBEEF> /System/Library/Frameworks/Quartz.framework/Versions/A/Frameworks/QuartzFilters .framework/Versions/A/QuartzFilters
0x7fff87d73000 - 0x7fff87e2cfff libsqlite3.dylib ??? (???) <5A15E12A-AE8F-1A36-BBC7-564E7D7AD0FB> /usr/lib/libsqlite3.dylib
0x7fff87e2d000 - 0x7fff87e38fff com.apple.CrashReporterSupport 10.6.2 (239) <9A14C43B-69B0-842E-3149-2F580DC13A50> /System/Library/PrivateFrameworks/CrashReporterSupport.framework/Versions/A/Cra shReporterSupport
0x7fff87e39000 - 0x7fff87e83ff7 com.apple.Metadata 10.6.2 (507.4) <A28A5E0C-DCDC-A5CE-4EB7-39752E63956A> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadat a.framework/Versions/A/Metadata
0x7fff87e84000 - 0x7fff87ec5fef com.apple.QD 3.33 (???) <3F528878-21F5-B2B5-8A9B-DF067BF91922> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ QD.framework/Versions/A/QD
0x7fff87eea000 - 0x7fff87f30fe7 libvDSP.dylib ??? (???) <2DAA1591-8AE8-B411-7D01-68DE99C63CEE> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libvDSP.dylib
0x7fff87f57000 - 0x7fff8805cfe7 libGLProgrammability.dylib ??? (???) <50498DA4-A2D6-260E-5C6E-994AF9BBDB98> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLProgramma bility.dylib
0x7fff8805d000 - 0x7fff88060fff com.apple.help 1.3.1 (41) <54B79BA2-B71B-268E-8752-5C8EE00E49E4> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Help.framewor k/Versions/A/Help
0x7fff8807a000 - 0x7fff880c9fff com.apple.iCalendar 1.0.1 (51) <6A991ED8-2A03-8FEC-85FF-5DDFDF18D8E3> /System/Library/PrivateFrameworks/iCalendar.framework/Versions/A/iCalendar
0x7fff880ca000 - 0x7fff883c8fe7 com.apple.HIToolbox 1.6.2 (???) <D463A388-244E-047A-E49A-4DA6C15BD1BA> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox
0x7fff883c9000 - 0x7fff883ccff7 com.apple.securityhi 4.0 (36638) <77F40B57-2D97-7AE5-1331-8945C71DFB57> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SecurityHI.fr amework/Versions/A/SecurityHI
0x7fff883cd000 - 0x7fff883f5fff com.apple.DictionaryServices 1.1.1 (1.1.1) <9FD709FC-23F0-F270-EAC1-C590CD516A36> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Diction aryServices.framework/Versions/A/DictionaryServices
0x7fff883f6000 - 0x7fff883feff7 com.apple.NSServerNotificationCenter 2 (1.0) <0F9B07B8-D9F9-A55D-AB60-9CC3533D77F8> /System/Library/Frameworks/ServerNotification.framework/Versions/A/ServerNotifi cation
0x7fff883ff000 - 0x7fff8845cfef com.apple.framework.IOKit 2.0 (???) <EBBEED67-D5BE-5F7F-96F4-9023BBA1B913> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x7fff8845d000 - 0x7fff88462ff7 com.apple.CommonPanels 1.2.4 (91) <4D84803B-BD06-D80E-15AE-EFBE43F93605> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels. framework/Versions/A/CommonPanels
0x7fff884b4000 - 0x7fff88569fe7 com.apple.ink.framework 1.3.1 (105) <5AA00FE5-B251-44AF-5108-44AA927C053C> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework /Versions/A/Ink
0x7fff8856a000 - 0x7fff885b6fff libauto.dylib ??? (???) <072804DF-36AD-2DBE-7EF8-639CFB79077F> /usr/lib/libauto.dylib
0x7fff88867000 - 0x7fff888ebfe7 com.apple.print.framework.PrintCore 6.1 (312.3) <33C0EADA-243E-1897-335D-17C5DC6A14A9> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ PrintCore.framework/Versions/A/PrintCore
0x7fff8890f000 - 0x7fff88a26fef libxml2.2.dylib ??? (???) <EE067D7E-15B3-F043-6FBD-10BA31FE76C7> /usr/lib/libxml2.2.dylib
0x7fff88a27000 - 0x7fff88a38fef libz.1.dylib ??? (???) <3A7A4C48-A4C8-A78A-8B87-C0DDF6601AC8> /usr/lib/libz.1.dylib
0x7fff88a39000 - 0x7fff88a64ff7 libxslt.1.dylib ??? (???) <87A0B228-B24A-C426-C3FB-B40D7258DD49> /usr/lib/libxslt.1.dylib
0x7fff88a65000 - 0x7fff88af5fff com.apple.SearchKit 1.3.0 (1.3.0) <4175DC31-1506-228A-08FD-C704AC9DF642> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchK it.framework/Versions/A/SearchKit
0x7fff88b1a000 - 0x7fff88b86ff7 com.apple.CorePDF 1.1 (1.1) <3D51A551-50C5-DDD5-9A79-9679DA2806B0> /System/Library/PrivateFrameworks/CorePDF.framework/Versions/A/CorePDF
0x7fff88b87000 - 0x7fff88b96fef com.apple.opengl 1.6.5 (1.6.5) <30D6B03B-4B4C-1F78-1FDB-0403E7FE8707> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
0x7fffffe00000 - 0x7fffffe01fff libSystem.B.dylib ??? (???) <526DD3E5-2A8B-4512-ED97-01B832369959> /usr/lib/libSystem.B.dylib

Brian,
Did this behavior start after applying the Mac OS X 10.6.2 Update using Software Update. If so, try downloading and reinstalling the Mac OS X v10.6.2 Update (Combo).
Have you backed up your iCal data using iCal>File>Export...>iCal Archive? If not do so now.
Since you appear to be using MobileMe, also try: Mac OS X v10.5, v10.6: Resetting the SyncServices folder.
Also note the discussion in: Apple - Support - Discussions - Event Reminder crashes at start up ...
;~)

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    Hope someone can advise.
    Many thanks.

    Thanks Winston.  I'm aware that the 'on my mac' calendar doesn't get picked up by iCloud.  I'm wondering whether anyone can help with the best alternative solution for synchronisation of phone and Outlook.

  • Help deinstalling Snow leopard and going back to Tiger OSX10.4.11

    I have just reinstalled Tiger OSX 10.4.11 on my IMac as snow leopard made my machine to slow and crash too often. Now that I have, I cannot seem to open Iphoto. I know my photos of in the memory as I can see them on the previous system file. But I cannot open Iphoto? Can anyone help me with this please?

    Hi twosparks, and a warm welcome to the forums!
    Could be many things, we should start with this...
    "Try Disk Utility
    1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
    2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
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    3. Click the First Aid tab.
    4. Select your Mac OS X volume.
    5. Click Repair. Disk Utility checks and repairs the disk."
    http://docs.info.apple.com/article.html?artnum=106214
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    Some people get away without Repairing Permissions for years, some for only days.
    If Permissions are wrong before applying an update, you could get mixed OS versions, if Directory is the slightest messed up, who knows!
    If many Permission are repaired, or any Directory errors are found, you may need to re-apply some the latest/biggest updates.
    May even need to do an Archive and Install if you have room on the HD, but saves all your files and gives a new OS...
    http://docs.info.apple.com/article.html?artnum=107120
    I only use Software Update to see what is needed, then get them for real via...
    http://www.apple.com/support/downloads/
    That way I can wait a week or so, check the forums for potential problems, and get Permissions & such in order before installing.
    If all the above fails, then it appears to be time for a relatively painless Archive & Install, which gives you a new/old OS, but can preserve all your files, pics, music, settings, etc., as long as you have plenty of free disk space and no Disk corruption, and is relatively quick & painless...
    http://docs.info.apple.com/article.html?artnum=107120
    Just be sure to select Preserve Users & Settings.

  • Need Help Installing Snow Leopard onto a blank HD via Target Disk Mode

    Hey everyone.
    Recently I had the HD on my Black Macbook crash due to a mechanical failure. I have just purchased a new Hard Drive for my Macbook. It is completely blank other than the fact that I connected it to my girlfriend's White Macbook earlier today to create 2 partitions. I have a new copy of Snow Leopard that I want to install on it and was hoping someone could guide me through the process.
    What I have with me as of now is:
    One Black Macbook (UK bought) w/ Partitioned Blank HD and a non-functional Superdrive
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    FireWire Cable
    New Snow Leopard DVD
    My first attempt at this failed. I connected the two Macs with the FW cable and started up the Black Macbook in Target Disk mode. Both my HD partitions showed up on the White Macbook. I inserted the SL DVD into the White Macbook and when it mounted I clicked on install. Of course, now it thinks that I want to install SL on the White Macbook whereas I want to install it on the Black Macbook.
    I'm a college student without a working computer and with my finals coming up, I'm in deep trouble. I want to mention that my Black Macbook's Superdrive spits out _everything except for Movie DVDs and My Leopard Startup Disk._ It spins the SL DVD for a few seconds and spits it out as well. I'm wondering whether this might be an issue with the DVD region code on the SL DVD though I don't think that's it. My region code is currently set to Region 1 (US) where I purchased the Snow Leopard DVD off Amazon. I initially thought there was a problem with the DVD and CD lens in the drive and I bought a DVD/CD Lens Cleaner CD but I can't run it because the Superdrive spits that out too. I'm out of warranty on the Black Macbook so fixing the Superdrive is pretty much out of the question. I was under the impression that I would be able to install SL via Target Disk Mode without any hassles but boy was I ever so wrong.
    Is there any way that I can do this? I'm hoping someone here can help me out. Please do if you find the time to.

    By other computer, do you mean the White Macbook? So I should basically put the SL DVD in the White Macbook, restart with the C key held down? Is that right?
    Please pardon me if I'm being stupid.

  • ICal Helper crashing

    I am using iCal 3.0.2 under Leopard 10.5.2 on an iMac 24" 2.16Ghz Intel Core 2 Duo.
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    Every hour at nn:05:32, the following appears in system.log:
    Apr 6 12:05:32 OfficeMac iCal Helper[705]: An uncaught exception was raised
    Apr 6 12:05:32 OfficeMac iCal Helper[705]: * -[NSCFArray insertObject:atIndex:]: attempt to insert nil
    Apr 6 12:05:32 OfficeMac iCal Helper[705]: * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '* -[NSCFArray insertObject:atIndex:]: attempt to insert nil'
    Apr 6 12:05:32 OfficeMac iCal Helper[705]: Stack: (\n 2520814155,\n 2493554939,\n 2520813611,\n 2520813674,\n 2452170816,\n 2451247972,\n 2451247732,\n 2513245642,\n 2512462450,\n 2512457934,\n 167180,\n 12777,\n 2520873557,\n 2440048322,\n 2441242587,\n 2440006331,\n 2440005264,\n 2440005070,\n 11827,\n 10630\n)
    Apr 6 12:05:34 OfficeMac ReportCrash[706]: Formulating crash report for process iCal Helper[705]
    Apr 6 12:05:35 OfficeMac ReportCrash[706]: Saved crashreport to /Users/rick/Library/Logs/CrashReporter/iCal Helper2008-04-06-120532OfficeMac.crash using uid: 501 gid: 501, euid: 501 egid: 501
    Apr 6 12:05:34 OfficeMac com.apple.launchd[88] ([0x0-0x7c07c].com.apple.iCal.helper[705]): Exited abnormally: Trace/BPT trap
    It also appears whenever I create an iCal reminder. Other than the non-firing reminders, iCal appears to be working fine.
    Can anyone shed any light on what is wrong?

    My problem is similiar, except it is also slowing the machine down to a crawl. I've had to open up the activity monitor and force quit in order for the machine to start working properly again.
    Process: iCal Helper [107]
    Path: /System/Library/Frameworks/CalendarStore.framework/Versions/A/Resources/iCal Helper.app/Contents/MacOS/iCal Helper
    Identifier: com.apple.iCal.helper
    Version: 3.0.2 (1236)
    Build Info: iCal-12360000~2
    Code Type: X86 (Native)
    Parent Process: launchd [81]
    Date/Time: 2008-04-06 10:59:22.880 -0700
    OS Version: Mac OS X 10.5.2 (9C7010)
    Report Version: 6
    Exception Type: EXCBADACCESS (SIGBUS)
    Exception Codes: KERNPROTECTIONFAILURE at 0x0000000000000000
    Crashed Thread: 0

  • Ical issues with snow leopard

    we are having issues with syncing ical since we downloaded snow leopard.  we've checked our ical acct. preferences. all in.  still not syncing. we have generated a new ical "on my mac" which doesn't seem to sync with cal.me.com.  any suggestions?

    Harvey,
    The "On My Mac" calendars will not sync, and in my experience are no longer required. They can be safely deleted after making backup copies.
    MobileMe: Troubleshooting MobileMe Calendar issues should help you sort out your syncing problems.

  • Can I use iCal/Mail from Snow Leopard to access iCloud?

    Hi All-
    I got the iOS 5 upgrade on my iPad & iPhone.  I have a MBP that is running Lion (10.7.2), and a MacPro that is still running Snow Leopard (10.6.8).
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    If I move my MobileMe account to iCloud, will the iCal, Address Book, and Safari Bookmarks on my Snow Leopard Mac Pro still sync properly, or will I need to upgrade my MacPro to Lion prior to migrating to iCloud?
    I can initiate the move on the MBP, but I don't want to strand the MacPro.
    Thanks!

    This is what applies on a Pre-Lion Mac when you upgrade your MobileMe account to iCloud:
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    Your iDisk, together with website hosting and Gallery, will continue to work as before until next June.
    Syncing of Dashboard Widgets, Dock Items and Keychains between Macs, and Mail Accounts, Mail Rules, System Preferences, Signatures & Smart Mailboxes between Macs & iOS devices, will cease altogether.
    You will be able to access email, calendar and contacts on the iCloud website at http://icloud.com provided your browser is reasonably up-to-date.
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    You will be able to enter the server settings for email manually in the Mail application and access your email.
    You will not be able to sync your calendars directly.
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    There appears to be no method of syncing contacts (though Address Book on a Mac can be synced with Google or Yahoo address books - I don't know how reliable this is).

  • ICal, Busysync, and Snow Leopard

    When I was using Tiger, I had iCal 2.0. I wanted to sync back and forth to my Google calendar. So, I bought a 3rd party app called Busysync that did the job just fine. Now I am using Snow Leopard, and my iCal version is 4.0. I am still using Busysync, which syncs just fine, but it looks like the current version of iCal can subscribe to my Google calendar without Busysync. Indeed, I just bought my wife a MacBook Pro, and I set up iCal to sync to Google Calendar no problem. So, is there any reason to continue to use Busysync? Is there something that Busysync does that I am missing here?

    Did you ever figure out an answer to this question? I'm wondering the exact same thing and I can't quite figure it out....

  • Help installing Snow Leopard without DVD drive

    Hi all,
    I've seen this question posted before but the solutions are not working for me. 
    I have a MacBook Pro running 10.4.11.  I bought the 10.6.3 Snow Leopard Install DVD from Apple but my DVD reader just keeps ejecting it, lens must have died.
    My roomate has a Windows 7 laptop, and I see here that I can put my DVD into his DVD player, and remote it over our wireless and install it to my laptop.
    I've run through the instructions but I can't see Remote Disc under the Mac's finder.
    I've made sure to run the following commands in my Mac console too but no luck:
    defaults write com.apple.NetworkBrowser EnableODiskBrowsing -bool true
    defaults write com.apple.NetworkBrowser ODSSupported -bool true
    Is it possible to even do a remote install via one Windows 7 Laptop and my MacBook Pro with no optical drive?  Do I have some other kind of options to get this upgrade working? 
    Any and all help will be appreciated!

    xxo wrote:
    Hi all,
    I've seen this question posted before but the solutions are not working for me. 
    What solutions have you tried other than the one you already mentioned? 
    Please detail all you have done to resolve your issue.  Need this information so that the users can avoid the "been there, done that" scenario type responses.  This is to avoid repeating the troubleshooting you may have already tried.  Thank you.
    Check out the postings in the "More Like This" section over here-------------------> 

  • Need help installing Snow Leopard without DVD drive

    Hi all,
    I posted this question under MacBook Pro but didn't get much help.
    I have a MacBook Pro running 10.4.11.  I bought the 10.6.3 Snow Leopard Install DVD from Apple but my DVD reader just keeps ejecting it, optical drive must have died.
    My roomate has a Windows 7 laptop, and I see here that I can put my DVD into his DVD player, and remote it over our wireless and install it to my laptop.
    I've run through the instructions but I can't see Remote Disc under the Mac's finder.
    I found another article with similar instructions that included some console code.  I've made sure to run the following commands in my Mac console too but no luck:
    defaults write com.apple.NetworkBrowser EnableODiskBrowsing -bool true
    defaults write com.apple.NetworkBrowser ODSSupported -bool true
    Is it possible to even do a remote install via one Windows 7 Laptop and my MacBook Pro with no optical drive?  Do I have some other kind of options to get this upgrade working? 
    Any and all help will be appreciated!

    That's actally a pretty good and cost effective way to do it.  I see some from Walmart for like $30, and it's possible to refund them if it doesn't work. 
    Thank you

  • Help installing Snow Leopard/Lion on MacBook 2,1

    Hi.
    I am currently trying to upgrade the OS on my old MacBook to the latest version it can handle. It appears OS X 7 (Lion) is the most I can upgrade it to.
    Apologies if this gets confusing or long winded...
    I also have a Mac Mini which is running the latest OS, and purchased Lion a few years back. I was hoping to use that purchase on my MacBook, which is currently running Version 10.5.8. I was told by Apple I need to first upgrade to Snow Leopard to download the App Store on it before I can install Lion.
    After inserting the Snow Leopard installation discs (that came with my Mac Mini) in the MacBook, I hit a road block.
    I received a prompt telling me "Mac OS X Snow Leopard cannot be installed on this computer".
    I checked the minimum requirements which it appears to meet...
    I have an Intel Core 2 Duo Processor, 2GB Memory (RAM), 35GB of disk space available. After speaking with the Apple technical support they suggested the problem may lay with my Graphics card which is an Intel GMA 950. Have looked around online, this doesn't seem to be an issue or have stopped others who made the upgrade.
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    That seems a bit long winded and not a certain option that will work. Not to mention I have to pay £14.99 and wait 1-2 business days for it to be dispatched when I have already paid for and purchased Lion, a version that is compatible with my MacBook. Is there no other option to install it without having to pay and install the previous OS before it?

  • Help! Snow Leopard install (from Tiger) problems, Email, Printer, internet connections, etc.

    Hi late, but done I just installed Snow Leopard, in hopes of all being better, like SL's ablity to send attachments as "Windows Friendly", better apps, etc.
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    Kathy LPV

    If you did not repair permissions and restarted your computer after the installations do so now. 
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