Shameless has failed to run

[JigglyJohn]

I am on windows 7 and when I try running Shameless it doesn't boot up. Here's the problem signature: Problem Event Name: CLR20r3 Problem Signature 01: shameless.exe Problem Signature 02: 1.8.8.0 Problem Signature 03: 591cdc4f Problem Signature 04: mscorlib Problem Signature 05: 4.0.0.0 Problem Signature 06: 4ba22001 Problem Signature 07: 11cd Problem Signature 08: 9f Problem Signature 09: System.TypeLoadException OS Version: 6.1.7601.2.1.0.768.3 Locale ID: 1033 Additional Information 1: b957 Additional Information 2: b957cfefd38b0c1570b7c92ba02e6602 Additional Information 3: 3c1e Additional Information 4: 3c1e572c796090092788b5fa0c7529fd