Safari won't go to any sites all of a sudden

Question

Using Safari 5 on a G4 MDD under OSX 10.5.8. Safari was working fine. The only thing I did was uninstall Virus Barrier, using the uninstaller from a recent update. After doing that, Safari won't load any sites at all, whether I click on a bookmark or type in an url. The url is filled out in the Safari window's address field, but there is no progress bar that shows it is trying to load the site. It just sits there with an empty window. The only difference from Safari 5 which is working on a MBP running OSX 10.6.4 is the text in the window's title bar. The title on the non-working Safari is the url followed by "1x1 pixels", whereas the title on the working version of Safari is the name of the page. For example, the BBC news site title on the working copy of Safari is "BBC News - Home" while on the non-working copy the title is "news.bbc.co.uk 1x1 pixels".
I have no idea what got messed up. I've tried downloading and reinstalling Safari 5, running Disk Repair and Disk Warrior (nothing to fix), reinstalling the OS via Leopard Archive and Install process saving network settings and user info and then updating with Combo updater and installing everything Software Update found - all to no avail. Nothing has changed in Safari Preferences from when it was working. No proxies enabled. Other browsers and mail client work fine on that Mac - it is only Safari that doesn't work.
Anyone have a clue what got munged and how to fix it?
Thanks for any useful suggestions.

Answer 1

Did you restart your Mac after deleting Virus Barrier?
Adding Open DNS codes to your Network Preferences, should give good results in terms of speed-up as well as added security:
If you are using a single computer: Open System Preferences/Network. Double click on your connection type, or select it in the drop-down menu, and in the box marked 'DNS Servers' add the following two numbers:
208.67.222.222
208.67.220.220
(You can also enter them if you click on Advanced and then DNS)
Sometimes reversing the order of the DNS numbers can be beneficial in cases where there is a long delay before web pages start to load, and then suddenly load at normal speed:
http://support.apple.com/kb/TS2296
If your computer is part of a network: please refer to this page: http://www.opendns.com/start/bestpractices/#yournetwork and follow the advice given.
You could also try these codes as well: 4.2.2.1 & 4.2.2.2
If you use a Router, make sure it has the latest firmware installed.