EP installation error

Hi

I got the following error while installing the EP6.0 on MS SQL SERVER can any body tell me what to do next.?

the error is:

Sep 28, 2004 10:15:58... Error: Aborted: C:\Majjigapu\SAP_Software\SAP NW On SQL\SAP Enterprise Portal 6.0 SP4_unzip\EP6SP3_Full\EP1\PORTAL\PRT\SDA\J2EE\com.sap.prt.application.rfcframework.sda.ear

Sep 28, 2004 10:15:58... Error: Processing error. Return code: 4

waiting for your suggestions.

Thanks in advance.

With regards

Majjigapu