I been having this problem for almost three months now.
When I start up Internet Explorer, try to go to a site or have a pop up, I will
always see this page:
ADSRESS

res://C:\WINDOWS\system\shdoclc.dll/dnserror.htm#
http://www.yahoo.com)
The page cannot be displayed
The page you are looking for is currently unavailable. The Web site might be experiencing technical difficulties, or you may need to adjust your browser settings.
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Please try the following:
Click the Refresh button, or try again later.
If you typed the page address in the Address bar, make sure that it is spelled correctly.
To check your connection settings, click the Tools menu, and then click Internet Options. On the Connections tab, click Settings. The settings should match those provided by your local area network (LAN) administrator or Internet service provider (ISP).
See if your Internet connection settings are being detected. You can set Microsoft Windows to examine your network and automatically discover network connection settings (if your network administrator has enabled this setting).
Click the Tools menu, and then click Internet Options.
On the Connections tab, click LAN Settings.
Select Automatically detect settings, and then click OK.
Some sites require 128-bit connection security. Click the Help menu and then click About Internet Explorer to determine what strength security you have installed.
If you are trying to reach a secure site, make sure your Security settings can support it. Click the Tools menu, and then click Internet Options. On the Advanced tab, scroll to the Security section and check settings for SSL 2.0, SSL 3.0, TLS 1.0, PCT 1.0.
Click the Back button to try another link.
Cannot find server or DNS Error
Internet Explorer
I have tried everything, virus scans, following the given instructions, spyware removal/ scans, reseting to default and almost every update or fix for internet explorer I can find. Nothing seems to work.
The weird thing is, if I open a folder and type a website say
www.yahoo.com, it WORKS. I can surf the internet and even go to other websites.
BUT no pop ups works and if I open a New Window the problem is there. It is like the problem does not affect the folder opened window only.
I am using a 3.2GHz Pentium 4 on Windows XP Home Edition with Service Pack 2.
The problem does not seems to be hardware based, in fact I remember I was viewing a site when I realise that I cannot go to the next page.
Please help. I need the internet for school work, and have been using Netscape, which is not very compateble with my school's website. Also I cannot install Netscape 8.0, each time I try it pops up a installer error saying my installer has an invalid configuration. Using Netscape 7.2 is starting to pose problems so I need to fix this problem fast!
I will appreciate if anyone has a way to fix this problem/s.