i cannot type in a web page..it keeps saying "cannot find server"..at the bottom of my screen there is a warning that says"THIS COMPUTER MAY BE INFECTED WITH HARMFUL SOFTWARE"..

I can log onto my Yahoo messenger and Limewire,but i cannot go to any web page..any tips? i already tried to clean disk,check software,but no luck...I cant download a virus Software which people say i should try to do first.but i cant go to a web page.HELP!!!

When did this problem start happening?

If only this week try performing System Restore. Restore your computer to an earlier date

To do System Restore:

a. Click on Start

b. Click on All Programs

c. Click on Accessories

d. Click on System Tools

e. Click on System Restore

f. System Restore will open

g. Click on Restore your computer to an earlier time

h. Click on Next

i. Try to choose a date last week or days ago that you are not having this problem.

g. Just follow the prompts, Click on Next

NOTE: The computer will logoff just let the computer do the restore

Try optimizing Internet Exlorer Browser

a. Check first the version

Click Help

Click About Internet Explorer

If you are using IE7 or version 7

a. Close IE

b. Click on Start

c. Click on Control Panel

d. Open Network and Internet Connections