Yesterday I updated a registered working copy of 3DMark11 to the latest version and now it will not work at all. The problem signature is as under

Problem signature:

Problem Event Name: CLR20r3

Problem Signature 01: 3dmark11.exe

Problem Signature 02: 1.0.3.0

Problem Signature 03: 4ee5de5f

Problem Signature 04: 3DMark11

Problem Signature 05: 1.0.3.0

Problem Signature 06: 4ee5de5f

Problem Signature 07: 15a

Problem Signature 08: 30

Problem Signature 09: System.InvalidCastException

OS Version: 6.1.7601.2.1.0.768.3

Locale ID: 3081

Additional Information 1: 6f27

Additional Information 2: 6f2760f52c18984c763d24780a3102d0

Additional Information 3: 99d3

Additional Information 4: 99d3ac83dc1711af492c2ec5763cafcc

Problem signature:

Problem Event Name: CLR20r3

Problem Signature 01: 3dmark11.exe

Problem Signature 02: 1.0.3.0

Problem Signature 03: 4ee5de5f

Problem Signature 04: 3DMark11

Problem Signature 05: 1.0.3.0

Problem Signature 06: 4ee5de5f

Problem Signature 07: 15a

Problem Signature 08: 30

Problem Signature 09: System.InvalidCastException

OS Version: 6.1.7601.2.1.0.768.3

Locale ID: 3081

Additional Information 1: 6f27

Additional Information 2: 6f2760f52c18984c763d24780a3102d0

Additional Information 3: 99d3

Additional Information 4: 99d3ac83dc1711af492c2ec5763cafcc