Crash at Start Up, I tried all versions. I am not allowed to download anything other than Wireshark itself    
   Crash at Start Up, I tried all versions. I am not allowed to download anything other than Wireshark itself
Process:         Wireshark [711]
Path:            /Volumes/human centipad/Applications/Wireshark.app/Contents/MacOS/Wireshark
Identifier:      org.wireshark.Wireshark
Version:         2.5.0 (2.5.0)
Code Type:       X86-64 (Native)
Parent Process:  launchd [212]
Date/Time:       2018-02-21 08:32:09.445 -0500
OS Version:      Mac OS X 10.6.8 (10K549)
Report Version:  6
Interval Since Last Report:          171025 sec
Crashes Since Last Report:           32
Per-App Interval Since Last Report:  52 sec
Per-App Crashes Since Last Report:   12
Anonymous UUID:                      3AB43667-7BB0-48BF-9E20-760999DF62F3
Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Crashed Thread:  0
Application Specific Information:
abort() called
Thread 0 Crashed:
0   libSystem.B.dylib               0x00007fff80e3b0b6 __kill + 10
1   libSystem.B.dylib               0x00007fff80edb9f6 abort + 83
2   libintl.8.dylib                 0x000000013f3f61eb libintl_gettext + 5899
3   libintl.8.dylib                 0x000000013f3f4cee libintl_gettext + 526
4   libintl.8.dylib                 0x000000013f3f81c1 libintl_textdomain + 6481
5   libglib-2.0.0.dylib             0x000000013f2e7845 glib_gettext + 197
6   libglib-2.0.0.dylib             0x000000013f2e77df glib_gettext + 95
7   libglib-2.0.0.dylib             0x000000013f2e2f52 g_dir_open + 162
8   libwsutil.0.0.0.dylib           0x0000000143e34889 plugins_dump_all + 393
9   libwsutil.0.0.0.dylib           0x0000000143e3451e plugins_init + 446
10  libwiretap.0.0.0.dylib          0x0000000143db4601 wtap_init + 97
11  org.wireshark.Wireshark         0x000000013e0485a5 main + 1029
12  org.wireshark.Wireshark         0x000000013e048184 start + 52
Thread 1:
0   libSystem.B.dylib               0x00007fff80e05c0a kevent + 10
1   libSystem.B.dylib               0x00007fff80e07add _dispatch_mgr_invoke + 154
2   libSystem.B.dylib               0x00007fff80e077b4 _dispatch_queue_invoke + 185
3   libSystem.B.dylib               0x00007fff80e072de _dispatch_worker_thread2 + 252
4   libSystem.B.dylib               0x00007fff80e06c08 _pthread_wqthread + 353
5   libSystem.B.dylib               0x00007fff80e06aa5 start_wqthread + 13
Thread 2:
0   libSystem.B.dylib               0x00007fff80e06a2a __workq_kernreturn + 10
1   libSystem.B.dylib               0x00007fff80e06e3c _pthread_wqthread + 917
2   libSystem.B.dylib               0x00007fff80e06aa5 start_wqthread + 13
Thread 3:  Thread (pooled)
0   libSystem.B.dylib               0x00007fff80e27a6a __semwait_signal + 10
1   libSystem.B.dylib               0x00007fff80e2b881 _pthread_cond_wait + 1286
2   QtCore                          0x00000001437e7b51 QWaitCondition::wait(QReadWriteLock*, unsigned long) + 1681
3   QtCore                          0x00000001437e773b QWaitCondition::wait(QReadWriteLock*, unsigned long) + 635
4   QtCore                          0x00000001437e7421 QWaitCondition::wait(QMutex*, unsigned long) + 369
5   QtCore                          0x00000001437e197e QThread::isInterruptionRequested() const + 894
6   QtCore                          0x00000001437e53f2 QThreadStorageData::finish(void**) + 2802
7   libSystem.B.dylib               0x00007fff80e25fd6 _pthread_start + 331
8   libSystem.B.dylib               0x00007fff80e25e89 thread_start + 13
Thread 4:  Thread (pooled)
0   libSystem.B.dylib               0x00007fff80e27a6a __semwait_signal + 10
1   libSystem.B.dylib               0x00007fff80e2b881 _pthread_cond_wait + 1286
2   QtCore                          0x00000001437e7b51 QWaitCondition::wait(QReadWriteLock*, unsigned long) + 1681
3   QtCore                          0x00000001437e773b QWaitCondition::wait(QReadWriteLock*, unsigned long) + 635
4   QtCore                          0x00000001437e7421 QWaitCondition::wait(QMutex*, unsigned long) + 369
5   QtCore                          0x00000001437e197e QThread::isInterruptionRequested() const + 894
6   QtCore                          0x00000001437e53f2 QThreadStorageData::finish(void**) + 2802
7   libSystem.B.dylib               0x00007fff80e25fd6 _pthread_start + 331
8   libSystem.B.dylib               0x00007fff80e25e89 thread_start + 13
Thread 5:  QThread
0   libSystem.B.dylib               0x00007fff80e27a6a __semwait_signal + 10
1   libSystem.B.dylib               0x00007fff80e2b881 _pthread_cond_wait + 1286
2   QtCore                          0x00000001437e771b QWaitCondition::wait(QReadWriteLock*, unsigned long) + 603
3   QtCore                          0x00000001437e7421 QWaitCondition::wait(QMutex*, unsigned long) + 369
4   org.wireshark.Wireshark         0x000000013e0aaab6 CaptureFilterSyntaxWorker::start() + 182
5   org.wireshark.Wireshark         0x000000013e428bbc CaptureFilterSyntaxWorker::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) + 304
6   QtCore                          0x0000000143a20b6f QMetaObject::activate(QObject*, int, int, void**) + 1871
7   QtCore                          0x00000001437e53d5 QThreadStorageData ...
 
 
Obviously something wrong with this development package, doing something plug related(?)
First of all I would recommend using a stable release (v.2.4.4 as of now)