Microsoft.Office.Interop.Word Error

I am using the Microsoft.Office.Interop.Word DLL to copy and edit files in Microsoft Word. In my notebook running in visual studio express 2013 works, but not on the server.
On the server the file is being copied, but not edited. The error that is happening is this :
Retrieving the COM class factory for component with CLSID {000209FF-0000-0000-C000-000000000046} failed due to the following error: 80070005.","StackTrace":" at Processo.editDocMinuta(String modeloNome, Int32 processoID) in E:\\Sites\\rlanet_publish\\Processo.aspx.vb:line 4860\r\n at Processo.retornaModelosMinutaTxt(Int32 processoID, String modeloNome) in E:\\Sites\\rlanet_publish\\Processo.aspx.vb:line 4836","ExceptionType":"System.UnauthorizedAccessException
What I've done :
I changed the service components . I was in service components , and right-click Computer , properties , security tab , ...