I cannot run this program when last week I was able to.
This is what I get:

Problem Event Name: APPCRASH
Application Name: Tutor6.exe
Application Version: 6.10.0.94
Application Timestamp: 44ad2964
Fault Module Name: StackHash_66c1
Fault Module Version: 6.0.6001.18000
Fault Module Timestamp: 4791a7a6
Exception Code: c0000374
Exception Offset: 000b015d
OS Version: 6.0.6001.2.1.0.768.3
Locale ID: 1033
Additional Information 1: 66c1
Additional Information 2: 1b22dca5a19ddf1e2e220af01d86e691
Additional Information 3: 0f6d
Additional Information 4: ac2881ada6c3026353d8a85d3a984755