[Nosey]

here you go, from the error/details screen

MusicFlo.exe
InvalidCastException
Conversion from string "" to type 'Integer' is not valid.

at Microsoft.VisualBasic.CompilerServices.Conversions .ToInteger(String Value)
at Microsoft.VisualBasic.CompilerServices.Conversions .ToInteger(Object Value)
at MusicFlo.Form1.Form1_Load(Object sender, EventArgs e)
at System.Windows.Forms.Form.OnLoad(EventArgs e)
at System.Windows.Forms.Form._SetVisibleNotify(Boolea n fVis)
at System.Windows.Forms.Control.set_Visible(Boolean value)
at System.Windows.Forms.Application.Run(Form fm)
at MusicFlo.Form1.Main()