DB crashes every time i open it

When I push login, DB just instantly crashes and gives me this:



Problem signature:

Problem Event Name: CLR20r3

Problem Signature 01: Demonbuddy.exe

Problem Signature 02: 1.1.2232.400

Problem Signature 03: 54ebc24f

Problem Signature 04: Demonbuddy

Problem Signature 05: 1.1.2232.400

Problem Signature 06: 54ebc24f

Problem Signature 07: 345

Problem Signature 08: 0

Problem Signature 09: System.IO.FileNotFoundException

OS Version: 6.1.7601.2.1.0.256.1

Locale ID: 1033

Additional Information 1: 0a9e

Additional Information 2: 0a9e372d3b4ad19135b953a78882e789

Additional Information 3: 0a9e

Additional Information 4: 0a9e372d3b4ad19135b953a78882e789



Please help!! thank you!

DB crashes every time i open it