Crash while starting

[Former user]

Collection was modified; enumeration operation may not execute.

App: Big Box Version: 8.0 Type: System.InvalidOperationException Site: Void ThrowInvalidOperationException(System.ExceptionResource) Source: mscorlib

at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) at System.Collections.Generic.List1.Enumerator.MoveNextRare() at System.Linq.Enumerable.<CastIterator>d__951.MoveNext() at System.Linq.Enumerable.FirstOrDefaultTSource at (GamesViewModelBase , Platform , String , Playlist ) at Unbroken.LaunchBox.Wpf.BigBox.ViewModels.GamesViewModelBase.Init(Platform plat, String searchQuery, Playlist filters) at Unbroken.LaunchBox.Wpf.BigBox.ViewModels.MainViewModel.<>c__DisplayClass244_0.<ShowGames>b__1(Object state) 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.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem() at System.Threading.ThreadPoolWorkQueue.Dispatch()

Recent Log:

6:01:17 AM Music.Pause Start 6:01:19 AM Music.Resume Start 6:01:19 AM Music.Resume Start 6:01:21 AM VlcMediaPlayer.Dispose(bool disposing) HandleManager.Remove 6:01:21 AM VlcMediaPlayer.Dispose(bool disposing) EventManager.Detach 6:01:21 AM VlcMediaPlayer.Dispose(bool disposing) Free 6:01:21 AM VlcMediaPlayer.Dispose(bool disposing) ReleaseMediaPlayerFunction 6:01:22 AM Music.StopAndResumeBackground Start 6:01:22 AM Music.StopAndResumeBackground Start 6:01:23 AM Exception