[relroy]

I want to register online for GRE.but when I click 'i agree',the next webpage doesn't open & I get this message:
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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.

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).
If your Network Administrator has enabled it, Microsoft Windows can examine your network and automatically discover network connection settings.
If you would like Windows to try and discover them,
Click Detect Network Settings
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

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All other websites open & I don't have any other problems with my browser(IE 6).plzzz help.

[RickJ]

Are you able to get to other webpages on that same computer?
What is the link you are trying to get to?

[relroy]

Yes,I can open all other webpages including flash and shockwave media.this is the link http://securereg3.prometric.com/PolicyAgreement.aspx

[RickJ]

I see that viewing this page requires you to be logged in.

Try deleting your cookies and temporary internet files and then log in to the site again... then access the link from within the site. That might take care of it.