Problem with security in desktop?

DEAR FRIEND

I AM STUCK UP WITH A COMPUTER USAGE PROBLEM.I AM SURE YOU WILL BE ABLE TO GUIDE ME.

MY PC WITH RAM 1GB AND HDD160 HAS DUAL CORE INTEL MOTHER BOARD.

THE PC CAN PLAY. MULTIMEDIA.,HAS A PRINTER ATTACHED.

MY JUNIORS AND OFFICE STAFF USE MY PC IN MYOFFICE IN MY ABSENCE.

I WISH TO

1.ALLOW THEM TO USE MY PC FOR OFFICE WORK TO CREAT NEW WORD FILES,SEE POWERPOINT PRESENTATIONS.

.

2.PREVENT THEM FROM USING CD ROM DRIVE ,WITH HELP OF PASSWORD.

3.PREVENT THEM FROM USING PRINTER OPTION ,WITH HELP OF PASSWORD.

KINDLY GUIDE ME

dr.v.j.tannu m.d. d.d.v.

me.tannu@yahoo.com

Problem with security in desktop?product key

Use group policies if you are using winxp pro, which will allow you to hide drives and restrict access to printer services.