JohnathanStrange

I been using houdini for about a week now and then, sad to say it suddenly stopped working. The info below are the details that come up on the error screen. Can anyone help?

Problem signature:
Problem Event Name: BEX
Application Name: hmaster.exe
Application Version: 9.1.0.179
Application Timestamp: 47d6194d
Fault Module Name: USER32.dll
Fault Module Version: 6.0.6000.16438
Fault Module Timestamp: 45d3dc0e
Exception Offset: 00067715
Exception Code: c0000409
Exception Data: 00000000
OS Version: 6.0.6000.2.0.0.768.3
Locale ID: 1033
Additional Information 1: e369
Additional Information 2: 4a2d25a1511dca93f5cc9dc39d24e240
Additional Information 3: 9e7d
Additional Information 4: c5dca5e29ca3eaacaa0a3ea186119af6