Hi, I used Tomcat 3.1 and Apache 1.4.17 and i copied the jk_nt_service in the directory c:\jdk1.3\jre\bin\classic\ and in command prompt i used : jk_nt_service.exe -i Tomcat c:\Apache\tomcat\conf\wrapper.properties i created the service and everything is ok ,but i uused in some jsp file the command : Process p =Runtime.getRuntime().exec("Myexe"); the command is off the jsp run without execute this command if i started the Tomcat without the servis that's mean from Startup.bat the command work prperly Please Help. Thanks Bye _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.