CuBase 7.0.3 crash - Superior Drummer 2 and Melodyne

Sorry, forgot to include system info:

OS Name Microsoft Windows 7 Professional
Version 6.1.7601 Service Pack 1 Build 7601
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name USER-PC
System Manufacturer System manufacturer
System Model System Product Name
System Type x64-based PC
Processor Intel(R) Core™ i7-3930K CPU @ 3.20GHz, 3200 Mhz, 6 Core(s), 12 Logical Processor(s)
BIOS Version/Date American Megatrends Inc. 3305, 25/12/2012
SMBIOS Version 2.7
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume1
Locale United Kingdom
Hardware Abstraction Layer Version = “6.1.7601.17514”
User Name User-PC\User
Time Zone GMT Daylight Time
Installed Physical Memory (RAM) 32.0 GB
Total Physical Memory 31.9 GB
Available Physical Memory 28.6 GB
Total Virtual Memory 63.9 GB
Available Virtual Memory 60.5 GB
Page File Space 31.9 GB
Page File D:\pagefile.sys

Cubase 7.0.3
SD 2.3.1
Melodyne 3.2.2.2

Regards

Paul