Nuendo 6.0.6 maintenance update available

Trying to install 6.0.6 but when the installer is extracting it gets to about 90% and reports the following:

Description:
Stopped working

Problem signature:
Problem Event Name: APPCRASH
Application Name: Setup.exe
Application Version: 2.2.4.0
Application Timestamp: 51d1a182
Fault Module Name: KERNELBASE.dll
Fault Module Version: 6.1.7601.18229
Fault Module Timestamp: 51fb1677
Exception Code: e0434f4d
Exception Offset: 000000000000940d
OS Version: 6.1.7601.2.1.0.256.48
Locale ID: 2057

The same happens when i try and update Cubase 7.0.6, any ideas anyone?