Toad 10.5 profiler problem

Shortly after debugging a package with profiler on, I (we) get the error :
2.4 Module Version: 10.5.0.41
2.5 Type : EAccessViolation
2.6 Message : Access violation at address 0200BAB2 in module ‘Toad.exe’. Write of address 00000064.
2.7 ID : 957B
Any idea ?
Thanks .