airport utility 6.3.1 crashes

I am running 10.7.5 and when i open Airport utility i get a crash:

I have followed other posts but none of tthe solutions have worked for me.

Process: AirPort Utility [40455]

Path: /Applications/Utilities/AirPort Utility.app/Contents/MacOS/AirPort Utility

Identifier: com.apple.airport.airportutility

Version: 6.3.1 (631.4)

Build Info: AirPortUtility-631004000000000~1

Code Type: X86-64 (Native)

Parent Process: launchd [1244]

Date/Time: 2013-11-11 21:32:55.921 -0800

OS Version: Mac OS X 10.7.5 (11G63)

Report Version: 9

Crashed Thread: 4 Dispatch queue: com.apple.airport.airportutility.topo.engine

Exception Type: EXC_CRASH (SIGABRT)

Exception Codes: 0x0000000000000000, 0x0000000000000000

Application Specific Information:

*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSKeyedUnarchiver initForReadingWithData:]: incomprehensible archive (0x3c, 0x3f, 0x78, 0x6d, 0x6c, 0x20, 0x76, 0x65)'

*** First throw call stack:

(

0 CoreFoundation 0x00007fff8e288f56 __exceptionPreprocess + 198

1 libobjc.A.dylib 0x00007fff88299d5e objc_exception_throw + 43

2 CoreFoundation 0x00007fff8e288d8a +[NSException raise:format:arguments:] + 106

3 CoreFoundation 0x00007fff8e288d14 +[NSException raise:format:] + 116

4 Foundation 0x00007fff8929361b -[NSKeyedUnarchiver initForReadingWithData:] + 2611

5 AirPort Utility 0x0000000108fab630 _mh_execute_header + 914992

6 AirPort Utility 0x0000000108faf3e1 _mh_execute_header + 930785

7 AirPort Utility 0x0000000108fafa3a _mh_execute_header + 932410

8 AirPort Utility 0x0000000108faa840 _mh_execute_header + 911424

9 AirPort Utility 0x0000000108faf3bc _mh_execute_header + 930748

10 AirPort Utility 0x0000000108fafa3a _mh_execute_header + 932410

11 libdispatch.dylib 0x00007fff8b6f3a82 _dispatch_call_block_and_release + 18

12 libdispatch.dylib 0x00007fff8b6f52d2 _dispatch_queue_drain + 264

13 libdispatch.dylib 0x00007fff8b6f512e _dispatch_queue_invoke + 54

14 libdispatch.dylib 0x00007fff8b6f4928 _dispatch_worker_thread2 + 198

15 libsystem_c.dylib 0x00007fff890163da _pthread_wqthread + 316

16 libsystem_c.dylib 0x00007fff89017b85 start_wqthread + 13

)

objc[40455]: garbage collection is OFF

abort() called

terminate called throwing an exception

Thread 0:: Dispatch queue: com.apple.main-thread

0 libsystem_kernel.dylib 0x00007fff8ff7b67a mach_msg_trap + 10

1 libsystem_kernel.dylib 0x00007fff8ff7ad71 mach_msg + 73

2 com.apple.CoreFoundation 0x00007fff8e21550c __CFRunLoopServiceMachPort + 188

3 com.apple.CoreFoundation 0x00007fff8e21dc74 __CFRunLoopRun + 1204

4 com.apple.CoreFoundation 0x00007fff8e21d486 CFRunLoopRunSpecific + 230

5 com.apple.HIToolbox 0x00007fff933a32bf RunCurrentEventLoopInMode + 277

6 com.apple.HIToolbox 0x00007fff933aa56d ReceiveNextEventCommon + 355

7 com.apple.HIToolbox 0x00007fff933aa3fa BlockUntilNextEventMatchingListInMode + 62

8 com.apple.AppKit 0x00007fff8e917779 _DPSNextEvent + 659

9 com.apple.AppKit 0x00007fff8e91707d -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 135

10 com.apple.AppKit 0x00007fff8e9139b9 -[NSApplication run] + 470

11 com.apple.AppKit 0x00007fff8eb8feac NSApplicationMain + 867

12 com.apple.airport.airportutility 0x0000000108ecd614 0x108ecc000 + 5652

Thread 1:: Dispatch queue: com.apple.libdispatch-manager

0 libsystem_kernel.dylib 0x00007fff8ff7d7e6 kevent + 10

1 libdispatch.dylib 0x00007fff8b6f5786 _dispatch_mgr_invoke + 923

2 libdispatch.dylib 0x00007fff8b6f4316 _dispatch_mgr_thread + 54

Thread 2:

0 libsystem_kernel.dylib 0x00007fff8ff7d192 __workq_kernreturn + 10

1 libsystem_c.dylib 0x00007fff89016594 _pthread_wqthread + 758

2 libsystem_c.dylib 0x00007fff89017b85 start_wqthread + 13

Thread 3:

0 libsystem_kernel.dylib 0x00007fff8ff7d192 __workq_kernreturn + 10

1 libsystem_c.dylib 0x00007fff89016594 _pthread_wqthread + 758

2 libsystem_c.dylib 0x00007fff89017b85 start_wqthread + 13

Thread 4 Crashed:: Dispatch queue: com.apple.airport.airportutility.topo.engine

0 libsystem_kernel.dylib 0x00007fff8ff7cce2 __pthread_kill + 10

1 libsystem_c.dylib 0x00007fff890167d2 pthread_kill + 95

2 libsystem_c.dylib 0x00007fff89007a7a abort + 143

3 libc++abi.dylib 0x00007fff90bbb7bc abort_message + 214

4 libc++abi.dylib 0x00007fff90bb8fcf default_terminate() + 28

5 libobjc.A.dylib 0x00007fff8829a1b9 _objc_terminate + 94

6 libc++abi.dylib 0x00007fff90bb9001 safe_handler_caller(void (*)()) + 11

7 libc++abi.dylib 0x00007fff90bb905c std::terminate() + 16

8 libc++abi.dylib 0x00007fff90bba152 __cxa_throw + 114

9 libobjc.A.dylib 0x00007fff88299e7a objc_exception_throw + 327

10 com.apple.CoreFoundation 0x00007fff8e288d8a +[NSException raise:format:arguments:] + 106

11 com.apple.CoreFoundation 0x00007fff8e288d14 +[NSException raise:format:] + 116

12 com.apple.Foundation 0x00007fff8929361b -[NSKeyedUnarchiver initForReadingWithData:] + 2611

13 com.apple.airport.airportutility 0x0000000108fab630 0x108ecc000 + 914992

14 com.apple.airport.airportutility 0x0000000108faf3e1 0x108ecc000 + 930785

15 com.apple.airport.airportutility 0x0000000108fafa3a 0x108ecc000 + 932410

16 com.apple.airport.airportutility 0x0000000108faa840 0x108ecc000 + 911424

17 com.apple.airport.airportutility 0x0000000108faf3bc 0x108ecc000 + 930748

18 com.apple.airport.airportutility 0x0000000108fafa3a 0x108ecc000 + 932410

19 libdispatch.dylib 0x00007fff8b6f3a82 _dispatch_call_block_and_release + 18

20 libdispatch.dylib 0x00007fff8b6f52d2 _dispatch_queue_drain + 264

21 libdispatch.dylib 0x00007fff8b6f512e _dispatch_queue_invoke + 54

22 libdispatch.dylib 0x00007fff8b6f4928 _dispatch_worker_thread2 + 198

23 libsystem_c.dylib 0x00007fff890163da _pthread_wqthread + 316

24 libsystem_c.dylib 0x00007fff89017b85 start_wqthread + 13

Thread 5:

0 libsystem_kernel.dylib 0x00007fff8ff7d192 __workq_kernreturn + 10

1 libsystem_c.dylib 0x00007fff89016594 _pthread_wqthread + 758

2 libsystem_c.dylib 0x00007fff89017b85 start_wqthread + 13

Thread 6:: CVDisplayLink

0 libsystem_kernel.dylib 0x00007fff8ff7cbca __psynch_cvwait + 10

1 libsystem_c.dylib 0x00007fff890182a6 _pthread_cond_wait + 890

2 com.apple.CoreVideo 0x00007fff8afee1cb CVDisplayLink::waitUntil(unsigned long long) + 279

3 com.apple.CoreVideo 0x00007fff8afed631 CVDisplayLink::runIOThread() + 559

4 com.apple.CoreVideo 0x00007fff8afed3e9 _ZL13startIOThreadPv + 148

5 libsystem_c.dylib 0x00007fff890148bf _pthread_start + 335

6 libsystem_c.dylib 0x00007fff89017b75 thread_start + 13

Thread 7:

0 libsystem_kernel.dylib 0x00007fff8ff7d192 __workq_kernreturn + 10

1 libsystem_c.dylib 0x00007fff89016594 _pthread_wqthread + 758

2 libsystem_c.dylib 0x00007fff89017b85 start_wqthread + 13

Thread 4 crashed with X86 Thread State (64-bit):

rax: 0x0000000000000000 rbx: 0x0000000000000006 rcx: 0x000000010ad7e648 rdx: 0x0000000000000000

rdi: 0x0000000000004003 rsi: 0x0000000000000006 rbp: 0x000000010ad7e670 rsp: 0x000000010ad7e648

r8: 0x00007fff77064fb8 r9: 0x000000010ad7e0d8 r10: 0x00007fff8ff7cd0a r11: 0xffffff80002dad60

r12: 0x00007f90a3436d00 r13: 0x00007f90a3047a01 r14: 0x000000010ad80000 r15: 0x000000010ad7e7c0

rip: 0x00007fff8ff7cce2 rfl: 0x0000000000000206 cr2: 0x000000010b2c3000

Logical CPU: 0

Please help

Juan