SQL Server installation problems !!!

Question

hi guys..i tried installing sql server 2000 , but in the beginning it showed the following error... "microsoft sql server 2000 standard edition server component is not supported on this operating system.only client components will be available for installation" ...then i tried sql server 2005 express, it gets installed , but not able to connect to a server.. server components r not installing properly.... my system has full configuration ..but no idea why its not getting installing properly..... guys pls help... i should some how install sql server 2005 and should "connect" to run a application..