thank you for answering..i don't remember if i tried that exactly as http://w3schools.com, but i did try typing w3schools.com and W3SCHOOLS in the IE address bar and nothing works..after checked with antivirus softwares the above problem were solved, no WWW wereautomaticly added but i still get The page cannot be displayed window and while inputis www.w3schools.com i get resulting address http:///?%20www.w3schools.com,whileinput with http:// at beginning of any address nothing changes but the page still can not be found..my pc shares a server with other computers in a company and do not need to connectedby any means,now i'm using firefox 1.5 everything seems ok but i want my IE works fine as well..i don't know if i describe everything properly,thanking you in advance..(when searched with chinese largest searched engine BAIDU.COM it returns 17,700 results which is almost 10 times less than google returned 1,760,000,)i love this site!