this is the exception text
System.ArgumentException: Illegal characters in path.
at System.IO.Path.CheckInvalidPathChars(String path)
at System.IO.Path.Combine(String path1, String path2)
at TechnicLauncher.Program.LocateJavaFromPath()
at TechnicLauncher.Program.RunLauncher(String launcherPath)
at TechnicLauncher.Form1.DownloadStringCompleted(Object sender, DownloadStringCompletedEventArgs e)