hearthbuddy not starting

All I get is the following error:

Problem Event Name: CLR20r3
Problem Signature 01: Hearthbuddy.exe
Problem Signature 02: 0.3.807.112
Problem Signature 03: 54b8bbad
Problem Signature 04: mscorlib
Problem Signature 05: 4.0.30319.34209
Problem Signature 06: 534894cc
Problem Signature 07: 1890
Problem Signature 08: e
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