out of memory on avs script creator

using avs script creator a lot of times with full hd contents cause an out of memory error, seems that megui don't release correctly used memory, after this error is impossible to use another time avs script creator, app need to be closed, seems that also rendering goes in error.

-[Error] Unhandled error
--[Information] [20/04/2016 20:59:04] Exception message: Generata eccezione di tipo 'System.OutOfMemoryException'.
--[Information] [20/04/2016 20:59:04] Stacktrace
---[NoImage] in System.Threading.Thread.StartInternal(IPrincipal principal, StackCrawlMark& stackMark)
---[NoImage] in System.Threading.Thread.Start(StackCrawlMark& stackMark)
---[NoImage] in System.Threading.Thread.Start()
---[NoImage] in MeGUI.core.gui.VideoPlayerControl.VideoPlayerControl_Load(Object sender, EventArgs e)
---[NoImage] in System.Windows.Forms.UserControl.OnLoad(EventArgs e)
---[NoImage] in System.Windows.Forms.UserControl.OnCreateControl()
---[NoImage] in System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
---[NoImage] in System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
---[NoImage] in System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
---[NoImage] in System.Windows.Forms.Control.CreateControl()
---[NoImage] in System.Windows.Forms.Control.WmShowWindow(Message& m)
---[NoImage] in System.Windows.Forms.Control.WndProc(Message& m)
---[NoImage] in System.Windows.Forms.ScrollableControl.WndProc(Message& m)
---[NoImage] in System.Windows.Forms.Form.WmShowWindow(Message& m)
---[NoImage] in System.Windows.Forms.Form.WndProc(Message& m)
---[NoImage] in System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
---[NoImage] in System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
---[NoImage] in System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
--[Information] [20/04/2016 20:59:04] Inner exception: null
-[Error] MediaInfo
--[Error] [20/04/2016 20:59:06] MediaInfo - Unhandled Error
---[Error] [20/04/2016 20:59:06] Exception message: L'oggetto nullable deve avere un valore.
---[Error] [20/04/2016 20:59:06] Stacktrace
----[NoImage] in System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
----[NoImage] in MeGUI.MediaInfoFile.GetSourceInformation(String file, LogItem oLog, Int32 iPGCNumber)
---[Error] [20/04/2016 20:59:06] Inner exception: null
-[Error] MediaInfo
--[Error] [20/04/2016 20:59:06] MediaInfo - Unhandled Error
---[Error] [20/04/2016 20:59:06] Exception message: L'oggetto nullable deve avere un valore.
---[Error] [20/04/2016 20:59:06] Stacktrace
----[NoImage] in System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
----[NoImage] in MeGUI.MediaInfoFile.GetSourceInformation(String file, LogItem oLog, Int32 iPGCNumber)
---[Error] [20/04/2016 20:59:06] Inner exception: null
-[Error] MediaInfo
--[Error] [20/04/2016 20:59:09] MediaInfo - Unhandled Error
---[Error] [20/04/2016 20:59:09] Exception message: L'oggetto nullable deve avere un valore.
---[Error] [20/04/2016 20:59:09] Stacktrace
----[NoImage] in System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
----[NoImage] in MeGUI.MediaInfoFile.GetSourceInformation(String file, LogItem oLog, Int32 iPGCNumber)
---[Error] [20/04/2016 20:59:09] Inner exception: null
-[Error] Unhandled error
--[Information] [20/04/2016 20:59:17] Exception message: Il thread non è stato avviato.
--[Information] [20/04/2016 20:59:17] Stacktrace
---[NoImage] in System.Threading.Thread.JoinInternal(Int32 millisecondsTimeout)
---[NoImage] in MeGUI.core.gui.VideoPlayerControl.Dispose(Boolean disposing)
---[NoImage] in System.ComponentModel.Component.Dispose()
---[NoImage] in System.Windows.Forms.Control.Dispose(Boolean disposing)
---[NoImage] in System.ComponentModel.Component.Dispose()
---[NoImage] in System.Windows.Forms.Control.Dispose(Boolean disposing)
---[NoImage] in System.Windows.Forms.Form.Dispose(Boolean disposing)
---[NoImage] in MeGUI.VideoPlayer.Dispose(Boolean disposing)
---[NoImage] in System.Windows.Forms.Form.WmClose(Message& m)
---[NoImage] in System.Windows.Forms.Form.WndProc(Message& m)
---[NoImage] in System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
---[NoImage] in System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
---[NoImage] in System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
--[Information] [20/04/2016 20:59:17] Inner exception: null

please note my computer is i7 with 8gb ram on windows 7 x64