Have tried a variety of disk types, running application as Admin etc but always get the same error and then it locks up completely and has to be killed using TaskManager.
OS is Vista Home Premium. Error report which is sent to Microsoft on the crash is below:
Problem signature:  Problem Event Name: APPCRASH  Application Name: UltraISO.exe  Application Version: 9.3.3.2685  Application Timestamp: 00000000  Fault Module Name: StackHash_b7ba  Fault Module Version: 0.0.0.0  Fault Module Timestamp: 00000000  Exception Code: c0000005  Exception Offset: c877a5d7  OS Version: 6.0.6001.2.1.0.768.3  Locale ID: 2057  Additional Information 1: b7ba  Additional Information 2: e93c8b8d30a9ada91e4d349fc93eabe7  Additional Information 3: 59a6  Additional Information 4: 64b312b90dfb8d113bd978173c63d0eb