System.UnauthorizedAccessException: Access to the path 'E:\www\vhosts\henschen.ch\httpdocs\bin\gsdll.dll' is denied.
   at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
   at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
   at SoundInTheory.DynamicImage.Util.GhostscriptUtil.EnsureDll()
   at SoundInTheory.DynamicImage.Layers.PdfLayer.CreateImage()
   at SoundInTheory.DynamicImage.Layer.Process()
   at SoundInTheory.DynamicImage.Composition.CreateImage()
   at SoundInTheory.DynamicImage.Composition.GenerateImage()
   at henschen.ch.Pdf2Image.ProcessRequest(HttpContext context) in D:\Simplution\Kunden\Henschen\Git\henschen.ch\henschen.ch\pdf2image.ashx.cs:line 37