When running an scenario the following message comes
Error: Exception was raised when calling event-notify Vuser function in extension parameng.dll: System Exceptions: EXCEPTION_ACCESS_VIOLATION
The error doesn’t come from vugen.
Controller doesn’t support parameter files larger than 20 megs.
Contact support and request the private patch created for this problem for LoadRunner 9.5.2, For LoadRunner 11 the issue is resolved on patch 4.