Crashing when clicking 2 times in an "Invalid Platform Game" (Steam)

[Former user]

I was clearing my Steam game list in Launchbox so I was deleting all the invalid platform game that happear 2 times to be sure that I delete the right one I first clic on one, then clic the same one a second time then i delete it, but then the error pop-up

The given key was not present in the dictionary.

App: LaunchBox Version: 7.10 Type: System.Collections.Generic.KeyNotFoundException Site: System.Object MarshaledInvoke(System.Windows.Forms.Control, System.Delegate, System.Object[], Boolean) Source: System.Windows.Forms

at System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous) at System.Windows.Forms.Control.Invoke(Delegate method, Object[] args) at (<>c__DisplayClass143_0 ) at Unbroken.LaunchBox.Desktop.Forms.MainForm.<>c__DisplayClass143_0.<playButton_Click>b__1() at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart()

Recent Log:

00:06:17 Music.NotifyTrackList Start 12:06:17 AM Music.NotifyTrackList Invoke 12:06:19 AM Music.Pause Start 12:06:20 AM GameDetailsGui.RedrawDetails Start 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailRating 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailFileName 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailCustomFields 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailLastPlayed 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailNotes 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailDates 12:06:20 AM GameDetailsGui.RedrawDetails End 12:06:20 AM Music.Prepare Start 00:06:20 Music.Kill Start 00:06:20 Music.Kill Finished 00:06:20 Music.NotifyTrackList Start 12:06:20 AM Music.NotifyTrackList Invoke 12:06:20 AM GameDetailsGui.RedrawDetails Start 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailRating 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailFileName 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailCustomFields 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailLastPlayed 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailNotes 12:06:20 AM GameDetailsGui.RedrawDetails Before ShowDetailDates 12:06:20 AM GameDetailsGui.RedrawDetails End 12:06:20 AM Music.Prepare Start 00:06:20 Music.Kill Start 00:06:20 Music.Kill Finished 00:06:20 Music.NotifyTrackList Start 12:06:20 AM Music.NotifyTrackList Invoke 12:06:22 AM Music.Pause Start 12:06:23 AM GameDetailsGui.RedrawDetails Start 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailRating 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailFileName 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailCustomFields 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailLastPlayed 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailNotes 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailDates 12:06:23 AM GameDetailsGui.RedrawDetails End 12:06:23 AM Music.Prepare Start 00:06:23 Music.Kill Start 00:06:23 Music.Kill Finished 00:06:23 Music.NotifyTrackList Start 12:06:23 AM Music.NotifyTrackList Invoke 12:06:23 AM GameDetailsGui.RedrawDetails Start 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailRating 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailFileName 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailCustomFields 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailLastPlayed 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailNotes 12:06:23 AM GameDetailsGui.RedrawDetails Before ShowDetailDates 12:06:23 AM GameDetailsGui.RedrawDetails End 12:06:23 AM Music.Prepare Start 00:06:23 Music.Kill Start 00:06:23 Music.Kill Finished 00:06:23 Music.NotifyTrackList Start 12:06:23 AM Music.NotifyTrackList Invoke 12:06:26 AM Exception