Unhandled Exception MadAppLauncher

Application: MadAppLauncher.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info:
Microsoft.VisualBasic.ApplicationServices.CantStartSingleInstanceException
Stack
at
Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(System.String[])

source: .net runtime
event id: 1026
file name: mscoree.dll
file version: 4.0.31106.0
productname: microsoft .net framework
product version: 4.0.31106.0

proof: