New Post: Ghostscript for extracting pdf to jpeg images

ghost script gives me this exception when im trying to extract pdf file into jpeg images .

Ghostscript.NET.GhostscriptAPICallException: An error occured when call to 'gsapi_init_with_args' is made: -100
at Ghostscript.NET.Processor.GhostscriptProcessor.StartProcessing(String[] args, GhostscriptStdIO stdIO_callback)
at Ghostscript.NET.GhostscriptDevice.Process(GhostscriptVersionInfo ghostscriptVersion, Boolean fromMemory, GhostscriptStdIO stdIO_callback)
at Ghostscript.NET.GhostscriptDevice.Process()

at Archiving.Classes.ghostscript..ctor(String[] InputFiles, String MainFolder)

it works fine with no problem on the server , but the problem appears on real environments , ex. windows 7