Similar issue, if I try to run it from the command line I get a few nasty grams on the terminal:
Erics-MacBook-Pro:Applications eric$ sudo /Applications/Guild\ Wars\ 2-old.app/Contents/MacOS/cider -use-dos-cwd C:Gw2 -- C:\\GW2\\GW2.exe
Erics-MacBook-Pro:Applications eric$ Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: conn 0×25743 token 0×1ffffffffffe85
Oct 25 10:23:10 cider11768 <Warning>: Backtrace (at 76189.7):
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 0 CoreGraphics 0×954cc64f CGSDisableUpdateToken + 228
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 1 AppKit 0×93d49c71 ___disable_updates_sync_block_invoke_2 + 19
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 2 libdispatch.dylib 0×98c3888b _dispatch_client_callout + 50
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 3 libdispatch.dylib 0×98c3a15c _dispatch_barrier_sync_f_invoke + 61
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 4 libdispatch.dylib 0×98c3a118 dispatch_barrier_sync_f + 98
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 5 libdispatch.dylib 0×98c446ca dispatch_barrier_sync + 54
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 6 AppKit 0×93d49b5a NSCGSDisableUpdates + 1302
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 7 AppKit 0×93d4956f NSCGSTransactionRunPreCommitActionsForOrder_ + 159
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 8 AppKit 0×93d494b5 NSCGSTransactionRunPreCommitActions_ + 17
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 9 AppKit 0×93d2a687 -NSCGSTransaction addActionWithOrder:usingBlock:] + 236
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 10 AppKit 0×93d2a581 NSCGSTransactionAddAction + 115
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 11 AppKit 0×93d2a9a5 NSCGSWindowMark + 267
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 12 AppKit 0×93d2a81a -NSCGSWindow setFrame:] + 341
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 13 AppKit 0×93db573c _NXCreateWindowWithStyleMask + 165
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 14 AppKit 0×93db558a _NSCreateWindow + 165
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 15 AppKit 0×93e06385 -[NSWindow _commonAwake] + 1781
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 16 AppKit 0×93c00e19 -[NSWindow _commonInitFrame:styleMask:backing:defer:] + 807
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 17 AppKit 0×93bff3e4 -[NSWindow _initContent:styleMask:backing:defer:contentView:] + 1789
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 18 AppKit 0×93bfecdd -[NSWindow initWithContentRect:styleMask:backing:defer:] + 72
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 19 libmacdrv.dylib 0×7a42a8a9 -[DesktopWindowController init] + 217
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 20 libmacdrv.dylib 0×7a42a9e7 +[DesktopWindowController newController] + 55
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 21 libmacdrv.dylib 0×7a4368d9 -[VideoController initWithConfigOptions:] + 313
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 22 libmacdrv.dylib 0×7a436709 +[VideoController newVideoController:] + 73
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 23 libmacdrv.dylib 0×7a425f5d -[CiderAppController init] + 189
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 24 libmacdrv.dylib 0×7a425e6e +[CiderAppController sharedController] + 110
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 25 libmacdrv.dylib 0×7a427ac4 initapp_controller + 36
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 26 libmacdrv.dylib 0×7a41eada MACDRV_Init + 266
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 27 libntdll.dylib 0×70073021 PE_InitDLL + 225
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 28 libntdll.dylib 0×700566ae MODULE_DllProcessAttach + 302
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 29 libntdll.dylib 0×70059539 LoadLibraryExA + 409
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 30 libntdll.dylib 0×7005a5f7 LoadLibraryA + 39
Oct 25 10:23:10 cider11768 <Warning>: void CGSUpdateManager::log() const: 31 libuser32.dylib 0×77578620 UserClientDllInitialize + 480

I can’t respond over PMs – would like to get your pref file especially if you have a retina display