Error Message when I start the game

[amy4754]

when i try to start the sims 3, i keep getting this message 

Description:
Stopped working

Problem signature:
Problem Event Name: CLR20r3
Problem Signature 01: sims3launcherw.exe
Problem Signature 02: 0.2.0.190
Problem Signature 03: 50653b54
Problem Signature 04: Sims3Launcher
Problem Signature 05: 0.2.0.190
Problem Signature 06: 50653b54
Problem Signature 07: 467
Problem Signature 08: c6
Problem Signature 09: System.EntryPointNotFound
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 2057

[roberta591]

Is your computer a pc or mac? Did this problem happen after you installed a pack?

add:

this is a windows error reporting (wer) message. The message is Common Language Runtime version 2.0 revision 3. As this is a windows problem a guess would be your operating system may not be up to date.