samsung 1.24.1 auto close!!!

Hallo!
Trying to unlock samsung u700.When i hit do job button the software just close automatically.
Many times i have tried it even in two differents computers.

I will try will old version and see (i have unlocked one the last 2 weeks with former version)
BR

i try again with former version and it is successfull.
here is log

Samsung Rocker v1.23Beta

Loaded 464 models

Available COM ports: COM1, COM45, COM46

Doing Job, Please Wait
There is No U700 on selected Port
Modem Port Detected On COM45

PhoneLock and SimLock Disabled

There is No U700 on selected Port
Serial Port Detected On COM46
There is No U700 on selected Port
Modem Port Detected On COM45

Modell: SGH-U700B
MSLAddress: R2YQ989057
IMEI: 353883-02-61425xxx
Calculating... OK
MSL2 Code: PASSED
MSL2 Password: PASSED

Unlocking... OK
Unlock & Unfreeze: DONE
Resetting Phone
Finished

I have found, in my case, that having Mozilla Firefox browser open is causing Rocker Dongle to close itself, if i close Firefox then it works ok, try in your case if it is the same, luck

will try asa i get a phone in.
BR