Some users can't see any subtitles when watching TV in v1.3.0.0 the logs shows continious exception from subtitle renderer.

h4. Steps to Reproduce
Start TV with Subtitle (using DVBSub3.ax)

h4. Additional Information
2012-07-24 21:18:36.906250 [ERROR][MPMain(1)]: render exception:System.InvalidOperationException: Mängden har ändrats. Det går inte att köra uppräkningsåtgärden.
   vid System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
   vid System.Collections.Generic.List`1.Enumerator.MoveNextRare()
   vid System.Collections.Generic.List`1.Enumerator.MoveNext()
   vid MediaPortal.GUI.Library.GUIWindow.Render(Single timePassed)
2012-07-24 21:18:44.859375 [ERROR][(14)]: Exception :Fel i tillämpningsprogrammet.
-2005530516 (D3DERR_INVALIDCALL)
   vid Microsoft.DirectX.Direct3D.VertexBuffer.CreateObject(IDirect3DVertexBuffer9* lp, Type typeVertexType, Int32 iNumVerts, Device device, Usage usage, VertexFormats vertexFormat, Pool pool, Boolean createNewObject, Boolean firstCreate)
   vid Microsoft.DirectX.Direct3D.VertexBuffer..ctor(Type typeVertexType, Int32 numVerts, Device device, Usage usage, VertexFormats vertexFormat, Pool pool)
   vid MediaPortal.Player.Subtitles.SubtitleRenderer.CreateVertexBuffer(Int32 wx, Int32 wy, Int32 wwidth, Int32 wheight)
   vid MediaPortal.Player.Subtitles.SubtitleRenderer.Render()