Sallos crashes when accessing ctrl+alt+del menu.

[cokane]

Hey,
Sallos will run for hours w/o problems, yet crashes as soon as i access the ctrl+alt+del menu. (Sallos has encountered an error and must close)

System.NullReferenceException: Object reference not set to an instance of an object.
   at Microsoft.DirectX.Direct3D.VertexBuffer.InternalLock(Int32 offsetToLock, Int32 size, Int32 flags)
   at Microsoft.DirectX.Direct3D.VertexBuffer.Lock(Int32 offsetToLock, Int32 sizeToLock, LockFlags flags)
   at Sallos.BufferedVertexStream.Push(Byte[] buffer, Int32 vertexCount, Boolean unlock)
   at Sallos.Painter.FlushTextureGroup(TextureGroup group)
   at Sallos.Painter.FlushAlphaGroups()
   at Sallos.Painter.Present()
   at Sallos.Core.Main(String[] args)

:/