Error “Invalid Parameter” fom ImageMagick convert on Windows

Question

I am trying to convert a PDF document into a PNG file using ImageMagick command line tools from a ASP.NET website. I create a new shell process and ahve it execute the follo

Answer 1

In Window actually exists a "convert.exe" in system32 - make sure your script doesn't start that one (maybe the environment paths on your development machine are set differently).