having the same problem. i explained it a little on the current release forum but il divulge here. maybe it will solve his/her problem as well. im running windows 7 64 bit with the most updated version of wow, and honorbuddy. i even uninstalled and reinstalled it. i have visual studio and all that because it was working earlier. i did NOT change any settings. it worked earlier in the day when i was on my paladin. when i jumped on my druid i got this.
Description:
Stopped working
Problem signature:
Problem Event Name: CLR20r3
Problem Signature 01: honorbuddy.exe
Problem Signature 02: 2.0.0.5883
Problem Signature 03: 4f90b2d3
Problem Signature 04: Honorbuddy
Problem Signature 05: 2.0.0.5883
Problem Signature 06: 4f90b2d3
Problem Signature 07: 31f8
Problem Signature 08: 77
Problem Signature 09: System.TypeInitialization
OS Version: 6.1.7600.2.0.0.768.3
Locale ID: 1033
not sure if it helps any.
edit: also noticed the main screen when the error first pops up it says "the type initializer for 'styx.Helpers.PVP settings' threw an exception"