System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'frmSplashScreen'.
at System.Windows.Forms.Control.CreateHandle()
at System.Windows.Forms.Form.CreateHandle()
at System.Windows.Forms.Control.get_Handle()
at System.Windows.Forms.Control.SetVisibleCore(Boolean value)
at System.Windows.Forms.Form.SetVisibleCore(Boolean value)
at Icomancer.frmSplashScreen.UpdateProgress(String msg, Int32 pbval) in H:\Icomancer\Icomancer\frmSplashScreen.vb:line 42
at Icomancer.clsProgressController.Update(String Message, Int32 Value) in H:\Icomancer\Icomancer\clsProgressController.vb:line 21
at Icomancer.modAppOps.AuthenticateApp() in H:\Icomancer\Icomancer\modAppOps.vb:line 130
at Icomancer.My.MyApplication.MyApplication_Startup(Object sender, StartupEventArgs e) in H:\Icomancer\Icomancer\ApplicationEvents.vb:line 105

That's a strange exception. Something didn't let icomancer start properly.
Not sure if it was some Windows update or your antivirus.
Have you tried running icomancer as administrator? If not, please do it. And whitelist it on your antivirus.