I am using IE 6 for websurfing.Now IE6 is not displaying any website when I am on line I get message "Page Can not be displayed." I tried to reinstall/repair/uninstall IE 6 and could not do this I get message as under;
" cannot uninstall Internet Explorer 6.Either the uninstall information is missing or the information has been corrupted."

In the circumstance please guide me how I can overcome this problem.
My system details are as under:

Mercury Mother Board.
Intel(R) pentium 4 CPU 1.60GHz
1.61 GHz
256 MB RAm
40 GB Seagate HDD
Samsung DVD Combo drive
LG 48x CDrom drive
OS:
Microsoft Windows XP Professional version 2002
Service Pack 2