Required some help

HI THERE, ACTUALLY I M HERE CUZ OF SOME PROBLEM HAVING ORACLE 8I INSTALLATION. ACTUALLY I INSTALLED IT COMPLETELY, BUT WHEN I RESTART MY COMPUTER AND LOAD ORACLE GIVING PASSWORD SCOTT/TIGER IT SHOWS ME AN ERROR , SOME SORT OF ORA-12540 SO I COULDNT FIND IT, WHICH SORT OF ERROR IT IS.

I HAVE PENTIUM-II, WIN-2000 (FRESH SYSTEM) NOTHING EXCEPT THIS. SO COULD U KINDLY HELP ME IN THIS REGARD OR IS THERE NE OTHER SOFTWARE FOR RUNNING ORACLE 8I. THANX IN ADVANCE BYE YASIR PLS: CONTACT ME AT : CONTACTYASIR_at_YAHOO.COM

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