Mac Comodo scanner quits unexpectedly

I am using a Mac with OSX Version 10.9.5 and Comodo Free edition 1.1.21429.106 with Database version 1245.

When doing a full scan, Comodo stops with the error ‘Comodo scan quits unexpectedly’.
When just scanning Critical areas, the scan goes through OK.

The full Apple error report is shown below.
I have seen a couple of similar posts below but with no response.

Any ideas?

Process: COMODO Scanner [487]
Path: /Library/Application Support/Comodo/*/COMODO Scanner.app/Contents/MacOS/COMODO Scanner
Identifier: com.COMODO.COMODO-Scanner
Version: 1.1.214829.106 (1.1.214829.106)
Code Type: X86-64 (Native)
Parent Process: Agent [202]
Responsible: Agent [202]
User ID: 502

Date/Time: 2015-01-02 16:01:02.242 +0000
OS Version: Mac OS X 10.9.5 (13F34)
Report Version: 11
Anonymous UUID: 09BCA81B-F976-36B0-30CB-0AE1218ADC6F

Sleep/Wake UUID: 7634AF7E-B544-4030-8B10-3C0894D85EE1

Crashed Thread: 4

Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000

Application Specific Information:
*** Terminating app due to uncaught exception ‘NSInvalidReceivePortException’, reason: ‘connection went invalid while waiting for a reply’
terminating with uncaught exception of type NSException
abort() called

Application Specific Backtrace 1:
0 CoreFoundation 0x00007fff8f43c25c __exceptionPreprocess + 172
1 libobjc.A.dylib 0x00007fff9937ee75 objc_exception_throw + 43
2 CoreFoundation 0x00007fff8f43c10c +[NSException raise:format:] + 204
3 Foundation 0x00007fff901a974f -[NSConnection sendInvocation:internal:] + 2046
4 CoreFoundation 0x00007fff8f39a044 forwarding + 452
5 CoreFoundation 0x00007fff8f399df8 _CF_forwarding_prep_0 + 120
6 COMODO Scanner 0x000000010000aa19 -[ThreatDataSource groupMalware:] + 83
7 COMODO Scanner 0x0000000100004c22 -[CAVScanWindowController receiveMalwareObjects] + 154
8 Foundation 0x00007fff9018ddfb NSThread__main + 1318
9 libsystem_pthread.dylib 0x00007fff956c1899 _pthread_body + 138
10 libsystem_pthread.dylib 0x00007fff956c172a _pthread_struct_init + 0
11 libsystem_pthread.dylib 0x00007fff956c5fc9 thread_start + 13

Thread 0:: Dispatch queue: com.apple.main-thread
0 com.apple.CoreFoundation 0x00007fff8f30721c CFRelease + 44
1 com.apple.CoreFoundation 0x00007fff8f339453 -[__NSDictionaryM dealloc] + 163
2 com.apple.Foundation 0x00007fff901b19cd -[NSDistantObject dealloc] + 81
3 com.apple.CoreFoundation 0x00007fff8f30743f CFRelease + 591
4 com.apple.CoreFoundation 0x00007fff8f31a699 -[__NSArrayM dealloc] + 185
5 com.apple.Foundation 0x00007fff9021b15a invalidateConnection + 918
6 com.apple.Foundation 0x00007fff90203ae1 -[NSConnection invalidate] + 887
7 com.apple.Foundation 0x00007fff901b2118 +[NSConnection _portInvalidated:] + 830
8 com.apple.CoreFoundation 0x00007fff8f40ae0c CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER + 12
9 com.apple.CoreFoundation 0x00007fff8f2fe82d _CFXNotificationPost + 2893
10 com.apple.Foundation 0x00007fff90129e4a -[NSNotificationCenter postNotificationName:object:userInfo:] + 68
11 com.apple.Foundation 0x00007fff90158b14 _NSPortDeathNotify + 76
12 com.apple.CoreFoundation 0x00007fff8f3c222c ____CFMachPortChecker_block_invoke + 204
13 libdispatch.dylib 0x00007fff9ac8f1bb _dispatch_call_block_and_release + 12
14 libdispatch.dylib 0x00007fff9ac8c28d _dispatch_client_callout + 8
15 libdispatch.dylib 0x00007fff9ac93ef0 _dispatch_main_queue_callback_4CF + 333
16 com.apple.CoreFoundation 0x00007fff8f3a34f9 CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE + 9
17 com.apple.CoreFoundation 0x00007fff8f35e714 __CFRunLoopRun + 1636
18 com.apple.CoreFoundation 0x00007fff8f35de75 CFRunLoopRunSpecific + 309
19 com.apple.HIToolbox 0x00007fff99d89a0d RunCurrentEventLoopInMode + 226
20 com.apple.HIToolbox 0x00007fff99d89685 ReceiveNextEventCommon + 173
21 com.apple.HIToolbox 0x00007fff99d895bc _BlockUntilNextEventMatchingListInModeWithFilter + 65
22 com.apple.AppKit 0x00007fff95e5824e _DPSNextEvent + 1434
23 com.apple.AppKit 0x00007fff95e5789b -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 122
24 com.apple.AppKit 0x00007fff95e4b99c -[NSApplication run] + 553
25 com.apple.AppKit 0x00007fff95e36783 NSApplicationMain + 940
26 com.COMODO.COMODO-Scanner 0x0000000100001cb8 start + 52

Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0 libsystem_kernel.dylib 0x00007fff8f65b662 kevent64 + 10
1 libdispatch.dylib 0x00007fff9ac8e421 _dispatch_mgr_invoke + 239
2 libdispatch.dylib 0x00007fff9ac8e136 _dispatch_mgr_thread + 52

Thread 2:
0 libsystem_kernel.dylib 0x00007fff8f65ae6a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff956c2f08 _pthread_wqthread + 330
2 libsystem_pthread.dylib 0x00007fff956c5fb9 start_wqthread + 13

Thread 3:
0 libsystem_kernel.dylib 0x00007fff8f656a1a mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fff8f655d18 mach_msg + 64
2 com.apple.CoreFoundation 0x00007fff8f35ef15 __CFRunLoopServiceMachPort + 181
3 com.apple.CoreFoundation 0x00007fff8f35e539 __CFRunLoopRun + 1161
4 com.apple.CoreFoundation 0x00007fff8f35de75 CFRunLoopRunSpecific + 309
5 com.apple.AppKit 0x00007fff95ff805e _NSEventThread + 144
6 libsystem_pthread.dylib 0x00007fff956c1899 _pthread_body + 138
7 libsystem_pthread.dylib 0x00007fff956c172a _pthread_start + 137
8 libsystem_pthread.dylib 0x00007fff956c5fc9 thread_start + 13

Thread 4 Crashed:
0 libsystem_kernel.dylib 0x00007fff8f65a866 __pthread_kill + 10
1 libsystem_pthread.dylib 0x00007fff956c235c pthread_kill + 92
2 libsystem_c.dylib 0x00007fff91ab0b1a abort + 125
3 libc++abi.dylib 0x00007fff9addbf31 abort_message + 257
4 libc++abi.dylib 0x00007fff9ae01952 default_terminate_handler() + 264
5 libobjc.A.dylib 0x00007fff9937f30d _objc_terminate() + 103
6 libc++abi.dylib 0x00007fff9adff1d1 std::__terminate(void (*)()) + 8
7 libc++abi.dylib 0x00007fff9adfee7b __cxa_rethrow + 109
8 libobjc.A.dylib 0x00007fff9937f049 objc_exception_rethrow + 40
9 com.apple.Foundation 0x00007fff901a9e38 -[NSConnection sendInvocation:internal:] + 3815
10 com.apple.CoreFoundation 0x00007fff8f39a044 forwarding + 452
11 com.apple.CoreFoundation 0x00007fff8f399df8 _CF_forwarding_prep_0 + 120
12 com.COMODO.COMODO-Scanner 0x000000010000aa19 -[ThreatDataSource groupMalware:] + 83
13 com.COMODO.COMODO-Scanner 0x0000000100004c22 -[CAVScanWindowController receiveMalwareObjects] + 154
14 com.apple.Foundation 0x00007fff9018ddfb NSThread__main + 1318
15 libsystem_pthread.dylib 0x00007fff956c1899 _pthread_body + 138
16 libsystem_pthread.dylib 0x00007fff956c172a _pthread_start + 137
17 libsystem_pthread.dylib 0x00007fff956c5fc9 thread_start + 13

Thread 5:
0 libsystem_kernel.dylib 0x00007fff8f65ae6a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff956c2f08 _pthread_wqthread + 330
2 libsystem_pthread.dylib 0x00007fff956c5fb9 start_wqthread + 13

Thread 4 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x00000001066db000 rcx: 0x00000001066da318 rdx: 0x0000000000000000
rdi: 0x0000000000009c07 rsi: 0x0000000000000006 rbp: 0x00000001066da340 rsp: 0x00000001066da318
r8: 0x00007fff9ae02959 r9: 0x00007fff91ad88d0 r10: 0x0000000008000000 r11: 0x0000000000000206
r12: 0x00000001066da4a0 r13: 0x000000010106d0c8 r14: 0x0000000000000006 r15: 0x00000001066da380
rip: 0x00007fff8f65a866 rfl: 0x0000000000000206 cr2: 0x0000000100308000

Logical CPU: 0
Error Code: 0x02000148
Trap Number: 133