Steven,
In the meantime I sent you the screenshots you were asking for. The new .exe file did come closer : it did show more of my real device content in the left pane, but still getting an error message when trying to open the folder. And I do have a SD card in my device, but this is not were my music is stored. When I remove the card it doesn't make any difference.
MusicBee v1.1.3438.28662, 1 Jun 2009 0:58:
System.Runtime.InteropServices.COMException (0x80042009): Exception from HRESULT: 0x80042009
at #=qQD2eGVJle6DoozKI0R85$fqAWTuQdB3B7RQdLQB_nTRCkzphX$26Sr5MIpBPDwlK.#=qxtXFipYOas3BHfDByhv4A1siTTPvf2sMpveMCzktIuU=.#=qhhzJN7jAuqEUrh6NBkT_Dw==(#=qpxZh2nMLec6W0qnsg9QKkMhFcs8kWenr6BEIOWkFa4U= #=q4l6zULS3BM$Xhtwo0pFLWMI1SEr8tqvdzq8$kwol25w=, #=qmM2Y_MomNtg6ieZetWOLd24$z9Z58J_eUKKZ12w7uHc= #=qXZ95WrVf9roqcJslYRDYqw==, Object[] #=q3lUtIUSd9g6WUEwABBRV_w==)
at #=qQD2eGVJle6DoozKI0R85$fqAWTuQdB3B7RQdLQB_nTRCkzphX$26Sr5MIpBPDwlK.#=qHwvkA2MUu1jNRFAJWueGtQ==(#=qTgw2wNDBbmW2MQaE4WnnJdEfVy2XPp40al1hm7JtXHM= #=qFyvnCYYvTVRScJe9nxFQLw==)
at #=qQD2eGVJle6DoozKI0R85$fqAWTuQdB3B7RQdLQB_nTRCkzphX$26Sr5MIpBPDwlK.#=qfxP0Oyy_BEx98ySAy2XdHQ==(#=qTgw2wNDBbmW2MQaE4WnnJdEfVy2XPp40al1hm7JtXHM= #=que8iqFRKzzIy2Q91rmR$eQ==, Boolean #=qfyCKLe8$mLBZkgnSQ5uUld_7TtArwoMYFqftD04wJog=)
at #=qTIpqq6DLm565lG6QhqPLfYTcxapsdNXNs0CyoFDHxSxE2GiAXH0Oshbw1Mncaz94.#=qvlEmmIFSa43BIcyBJKql$A==(#=qTgw2wNDBbmW2MQaE4WnnJdEfVy2XPp40al1hm7JtXHM= #=qhWMXJjk__pCUAoo4aj9v3g==, Boolean #=q9R5LDN4NRmrrZ1s9Fz58RMKWCJRt2PrW9MWosBo7eDs=)
at #=qKubfbJNaKmaqughRLlN_Mj1IkyXXHoHn8_LxQ9gG2ED897XAhSu6WHb9WSCmHel0.#=qvRkdI49CTZXRZFWnwYdFNQ==(Boolean #=q17ie2ysciACoQqWxeBvkmDh7Kgma3_eyHx5dHQF0Cps=)
at #=qNPMuyZhbOsF4Gi$tJAb$wG5vGePe1hVh7TUdBNjJuVg=.#=q49y6hflo0zukTke1kOpC7dRD7p0UWsylBVC2VyUNOOY=(Object #=qZK4wBJDIZL18WW$N5uBa$g==, #=q6TLAd10epJk7QZVMdXTNtkMUKtfr0seJkdY$KymJBS_05p9dtV771PO6O9S03T6S0oBbOmcuSvEdmo8ThV1OFg== #=qSVJ0CxS18DlHdj3$t7lgXQ==)
at #=qEfS6YdgBlbNG4OGfJXRKNDR$IJkAQ7LN6KTdrJ$evw2KtfNVcBNCgIn2E4Qc1UEv.#=qdfEmbLRytcDeBGdxL4sQedgjLOvhsJE9NcvMYckaAD8=(Object #=q2EvZHEU7sn7K1L57ngyePA==, TreeNodeMouseClickEventArgs #=qFv6z3wTLVQFh6dEy3cRtZg==)
at System.Windows.Forms.TreeView.OnNodeMouseClick(TreeNodeMouseClickEventArgs e)
at System.Windows.Forms.TreeView.WmNotify(Message& m)
at System.Windows.Forms.TreeView.WndProc(Message& m)
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)