CLR20r3 Error while running a querry on SQL server

hi ,
I am facing a crashing of SQL server with error as follows....

Description:
Stopped working


Problem signature:
Problem Event Name: CLR20r3
Problem Signature 01: ssms.exe
Problem Signature 02: 2009.100.1600.1
Problem Signature 03: 4bb679e7
Problem Signature 04: System.Windows.Forms
Problem Signature 05: 2.0.0.0
Problem Signature 06: 520b1a71
Problem Signature 07: 16cd
Problem Signature 08: 159
Problem Signature 09: System.ComponentModel.Win32
OS Version: 6.3.9600.2.0.0.256.4
Locale ID: 16393


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Can some one please help me.

PS: .Net frame work installed is 2, 3.5 and 4.5 and it is Windows 8.1 OS installed.

Any help will be appriciated