Can not patch or scan game for repairs

Hey all! When I log in it says that 3 wow clients are updating, but when I look they are not. When I hit the update button, it says Oops! Looks like something is broken and gives me a link to an article.
I have done everything other than uninstall/reinstall the game. When I try to run the repair tool I get the same error message.
HELP!!!
Edit, uninstalled the game and now get the same error message trying to reinstall.

Hi Snowpriest,

Most commonly, issues patching or repairing the game, is caused by either corrupted temporary files, or over-enthusiastic security security software. To get everything cleaned out, I’d suggest the steps outlined here:

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