Solution to router problem. ALL'S WORKING!

I called Linksys at 1(800)326-7114. They took me through some steps and it solved the problem.

Open your router page in your browser. Should be an address with a series of numbers similar to:

http://189.156.1.1/

(I changed the above for my own security reasons.)

Once you enter your password and pull up the Linksys router page, click on the "Advanced" tab (top right on mine.)

Then scroll down to the bottom of the "Filters" page.

You should see this setting:

MTU: . Enable . Disable Size: 1492

Decrease the size to 1450 or so to allow more information through the router. Then apply and try your sites that won't load. If they still won't load try lowering the size just low enough until they do, thus still keeping your firewall intact. You can go all the way down to 600 but that would pretty much let anything through and defeat the purpose of the firewall.

Hope this works as well as it did for me.

Thanks.