hi! yes. i installed Tomcat4.1.12 the TOmacat 4.1 dir. is on the desktop. and my autoecec.bat is set JAVA_HOME=C:\jdk1.3.0_02 set CATALINA_HOME=c:\WINDOWS\DESKTOP\"Tomcat 4.1" but when i run the startup in the bin dir. the following message appears The CATALINA_HOME environment variable is not defined correctly This environment variable is needed to run this program what should i do. madhur