MusicBee v2.4.5404.16303 (Win6.2), 23 Nov 2014 14:37:

System.NullReferenceException: Object reference not set to an instance of an object.
   at #=q3hQ4rWrl5fHkvSQsFpGKH$edT6vSZqKHpK7ZMv_cows=.#=qi4Jt8hmpgdX0FEBtpdREHB0aBmGOLswk7B6xUAZlj2s=(Object #=qA7wMtALxr884FOu5Kovt9w==, #=qdAPRIqpfyF43fRd1bvRhTTNb32XT44BtRMRPjJtxm$lEOQqsy6QbOIDXlHoey$VcUn17OaT56gjAER7gIZsPEQ== #=qJYPWUDFFpNXOU_GleeT47w==)
   at #=qCS0d2Tq8ZGqeN_rIMT82GIeErSPcMFsXs0CmUuM9ZMU=.#=qS_pstaHm$E2TISPs5nZb7HhyPfa5fhZ0GKC1$4m_Vzs=(Object #=qIFoOxNABtezApylkWW8e7g==, #=qdAPRIqpfyF43fRd1bvRhTTNb32XT44BtRMRPjJtxm$lEOQqsy6QbOIDXlHoey$VcUn17OaT56gjAER7gIZsPEQ== #=q1NaH6n2KCSlZ60f7uCKuAw==)
   at #=qb3IEOtNRBA6NoLbphk9_YFpWVYYUS2JjTKgpkp3cSn1MKLZrCRpxiij0VfyCLnnQ.#=qoDkmg2$Vqx8NK2hleierJ2xWgXrnSfYkLCZE37qu3v4=(#=qdAPRIqpfyF43fRd1bvRhTTNb32XT44BtRMRPjJtxm$lEOQqsy6QbOIDXlHoey$VcUn17OaT56gjAER7gIZsPEQ== #=q6Ce9Bh3uZhZ_vBSyra5V6w==)
   at #=qb3IEOtNRBA6NoLbphk9_YFpWVYYUS2JjTKgpkp3cSn1MKLZrCRpxiij0VfyCLnnQ.#=q0gslTbRLJgxtRIln9KWlUHOzTRmUw5CWC4a68j5jv4AgQRZQxFvL0a_1VZEJc48p(Object #=q6cC9KJXkaiacPlTIkqd8Ig==, #=qdAPRIqpfyF43fRd1bvRhTTNb32XT44BtRMRPjJtxm$lEOQqsy6QbOIDXlHoey$VcUn17OaT56gjAER7gIZsPEQ== #=qz3_kMU3ZFBsAhvro$dH8Ww==)
   at #=qb3IEOtNRBA6NoLbphk9_YFpWVYYUS2JjTKgpkp3cSn1MKLZrCRpxiij0VfyCLnnQ.#=qC8_1R2yU787k3Kt1_AgBgw==.OnColumnClick(ColumnClickEventArgs #=qz3_kMU3ZFBsAhvro$dH8Ww==)
   at System.Windows.Forms.ListView.WmNotify(Message& m)
   at System.Windows.Forms.ListView.WndProc(Message& m)
   at #=qb3IEOtNRBA6NoLbphk9_YFpWVYYUS2JjTKgpkp3cSn1MKLZrCRpxiij0VfyCLnnQ.#=qC8_1R2yU787k3Kt1_AgBgw==.WndProc(Message& #=qJa$UPD3jxm2WtwiXG57Hsg==)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)