Hi Klaus,
i already did a re-download 1.19pr8 and restart but the testing server keeps crashing.
When i open it, it shows already an old used path.
Then i get the rainbow spinner for 10 secs and then crash.
If you like i can send an error report.
osx 10.12.1
Tuur 
Same Mac OS X, Same crash.
Hope this crash report help:
Process: ktestserverwx [56141]
Path: /Users/USER/*/krpano Testing Server.app/Contents/MacOS/ktestserverwx
Identifier: com.krpano.ktestserverwx
Version: 119 (1.19)
Code Type: X86 (Native)
Parent Process: ??? [1]
Responsible: ktestserverwx [56141]
User ID: 501
Date/Time: 2016-12-01 10:24:03.818 +0800
OS Version: Mac OS X 10.12.1 (16B2555)
Report Version: 12
Anonymous UUID: 306D3CE3-32D9-C5FA-7373-FEE12902BACF
Sleep/Wake UUID: 4342DB8B-D6DE-4DD7-92B3-6507BAC8F6C5
Time Awake Since Boot: 460000 seconds
Time Since Wake: 2800 seconds
System Integrity Protection: enabled
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000010
Exception Note: EXC_CORPSE_NOTIFY
Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler [0]
VM Regions Near 0x10:
--> __TEXT 00000000000cd000-0000000000425000 [ 3424K] r-x/rwx SM=COW /Users/USER/*/krpano Testing Server.app/Contents/MacOS/ktestserverwx
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.krpano.ktestserverwx 0x000cf278 ktestserverFrame::onThreadEvent(wxCommandEvent&) + 248
1 com.krpano.ktestserverwx 0x00368fd3 wxEvtHandler::ProcessEventIfMatches(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&) + 115
2 com.krpano.ktestserverwx 0x0036914f wxEventHashTable::HandleEvent(wxEvent&, wxEvtHandler*) + 111
3 com.krpano.ktestserverwx 0x0036951f wxEvtHandler::ProcessEvent(wxEvent&) + 207
4 com.krpano.ktestserverwx 0x0036981c wxEvtHandler::ProcessPendingEvents() + 108
5 com.krpano.ktestserverwx 0x002f4469 wxAppConsole::ProcessPendingEvents() + 137
6 com.apple.CoreFoundation 0x9458e9cf __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 15
7 com.apple.CoreFoundation 0x9456f237 __CFRunLoopDoSources0 + 519
8 com.apple.CoreFoundation 0x9456e6c4 __CFRunLoopRun + 1108
9 com.apple.CoreFoundation 0x9456e00a CFRunLoopRunSpecific + 506
10 com.apple.CoreFoundation 0x9456ddfb CFRunLoopRunInMode + 123
11 com.apple.HIToolbox 0x93c752ee RunCurrentEventLoopInMode + 268
12 com.apple.HIToolbox 0x93c74faf ReceiveNextEventCommon + 195
13 com.apple.HIToolbox 0x93df8a8c ReceiveNextEvent + 71
14 com.krpano.ktestserverwx 0x001aabcb wxApp::MacDoOneEvent() + 91
15 com.krpano.ktestserverwx 0x001c6483 wxEventLoop::Dispatch() + 35
16 com.krpano.ktestserverwx 0x0026463f wxEventLoopManual::Run() + 111
17 com.krpano.ktestserverwx 0x0023a5b3 wxAppBase::MainLoop() + 83
18 com.krpano.ktestserverwx 0x003283ea wxEntry(int&, char**) + 106
19 com.krpano.ktestserverwx 0x000ce34e main + 30
20 libdyld.dylib 0x9f58f3b5 start + 1Also thanks for krpano team's great work.
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