I don't even know where I have placed the original install disc, so re-installing would be a bit difficult..
I have filed a bug report with Apple (id: 12337785) so will see what happens with that...
Here's the crash report:
Process: Aperture [646]
Path: /Applications/Aperture.app/Contents/MacOS/Aperture
Identifier: com.apple.Aperture
Version: 3.4 (3.4)
Build Info: Aperture-301036000000000~1
Code Type: X86-64 (Native)
Parent Process: launchd [171]
User ID: 501
Date/Time: 2012-09-20 18:42:22.650 +0100
OS Version: Mac OS X 10.8.2 (12C54)
Report Version: 10
Interval Since Last Report: 17735 sec
Per-App Interval Since Last Report: 1641 sec
Per-App Crashes Since Last Report: 8
Anonymous UUID: 68439C02-CD3F-50B7-6A8A-870552BEFDB3
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Application Specific Information:
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSURL initWithScheme:host:path:]: path 653242246 is not absolute.'
terminate called throwing an exception
abort() called
Application Specific Backtrace 1:
0 CoreFoundation 0x00007fff874dd0a6 __exceptionPreprocess + 198
1 libobjc.A.dylib 0x00007fff8719a3f0 objc_exception_throw + 43
2 CoreFoundation 0x00007fff874dce7c +[NSException raise:format:] + 204
3 Foundation 0x00007fff8bc27de8 -[NSURL(NSURL) initWithScheme:host:path:] + 112
4 PrintServices 0x0000000109f0ec6d +[NSURL(ISNSURLExtensions) URLWithScheme:host:path:] + 61
5 PrintServices 0x0000000109f0ebef -[NSURL(ISNSURLExtensions) URLByAppendingPathComponent:] + 127
6 FacebookPublisher 0x0000000117e097f2 -[ILFacebookAPIRequest graphURLRequest] + 215
7 FacebookPublisher 0x0000000117e09fb5 -[ILFacebookAPIRequest send] + 33
8 FacebookPublisher 0x0000000117dfb4da -[IPHFacebookPlugin displayNameForUsername:] + 88
9 AccountConfigurationPlugin 0x000000010941cfae -[AccountConfigurationManagerBase createAccountConfigurationForAccountType:accountIdentifier:password:] + 152
10 AccountConfigurationPlugin 0x000000010941b4cf -[AccountConfigurationManagerBase migrateAccounts] + 894
11 Aperture 0x000000010836b6e1 Aperture + 2893537
12 libdispatch.dylib 0x00007fff8ad92f01 _dispatch_call_block_and_release + 15
13 libdispatch.dylib 0x00007fff8ad8f0b6 _dispatch_client_callout + 8
14 libdispatch.dylib 0x00007fff8ad940c8 _dispatch_main_queue_callback_4CF + 275
15 CoreFoundation 0x00007fff8747f0fe __CFRunLoopRun + 1614
16 CoreFoundation 0x00007fff8747e6b2 CFRunLoopRunSpecific + 290
17 HIToolbox 0x00007fff8128a0a4 RunCurrentEventLoopInMode + 209
18 HIToolbox 0x00007fff81289e42 ReceiveNextEventCommon + 356
19 HIToolbox 0x00007fff81289cd3 BlockUntilNextEventMatchingListInMode + 62
20 AppKit 0x00007fff8af5b613 _DPSNextEvent + 685
21 AppKit 0x00007fff8af5aed2 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
22 Aperture 0x000000010851d00d Aperture + 4669453
23 AppKit 0x00007fff8af52283 -[NSApplication run] + 517
24 ProKit 0x00000001095c2324 NSProApplicationMain + 378
25 Aperture 0x00000001080b89c2 Aperture + 63938
26 Aperture 0x00000001080b8314 Aperture + 62228
27 ??? 0x0000000000000002 0x0 + 2
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fff81bbe212 __pthread_kill + 10
1 libsystem_c.dylib 0x00007fff841eaaf4 pthread_kill + 90
2 libsystem_c.dylib 0x00007fff8422edce abort + 143
3 libc++abi.dylib 0x00007fff8318da17 abort_message + 257
4 libc++abi.dylib 0x00007fff8318b3c6 default_terminate() + 28
5 libobjc.A.dylib 0x00007fff8719a873 _objc_terminate() + 91
6 libc++.1.dylib 0x00007fff8ce3e8fe std::terminate() + 20
7 libobjc.A.dylib 0x00007fff8719a5de objc_terminate + 9
8 libdispatch.dylib 0x00007fff8ad8f0ca _dispatch_client_callout + 28
9 libdispatch.dylib 0x00007fff8ad940c8 _dispatch_main_queue_callback_4CF + 275
10 com.apple.CoreFoundation 0x00007fff8747f0fe __CFRunLoopRun + 1614
11 com.apple.CoreFoundation 0x00007fff8747e6b2 CFRunLoopRunSpecific + 290
12 com.apple.HIToolbox 0x00007fff8128a0a4 RunCurrentEventLoopInMode + 209
13 com.apple.HIToolbox 0x00007fff81289e42 ReceiveNextEventCommon + 356
14 com.apple.HIToolbox 0x00007fff81289cd3 BlockUntilNextEventMatchingListInMode + 62
15 com.apple.AppKit 0x00007fff8af5b613 _DPSNextEvent + 685
16 com.apple.AppKit 0x00007fff8af5aed2 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
17 com.apple.Aperture 0x000000010851d00d 0x1080a9000 + 4669453
18 com.apple.AppKit 0x00007fff8af52283 -[NSApplication run] + 517
19 com.apple.prokit 0x00000001095c2324 NSProApplicationMain + 378
20 com.apple.Aperture 0x00000001080b89c2 0x1080a9000 + 63938
21 com.apple.Aperture 0x00000001080b8314 0x1080a9000 + 62228