Blizzard u guys should fix this when it has been going on since launch of cataclysm and u havent done a !@#$ but sitting writting nerdy stuff nobody understands... Ive flushed my DNS changed IE options... And lots more and been reading through a ton of forums reading the blue's... Example
Mythiais, can you boot into a Selective Startup (http://us.blizzard.com/support/article/backgroundapps), and list the Running Tasks and Services?

Hit the Windows key + R, and type:
msinfo32

Then hit Enter or Ok.

This will bring up System Information.

Click on the + sign next to Software Environments
Click on Running Tasks
Click on one item on the right side
Click on Edit, and then Select All (Or hit Ctrl-A)
Click on Edit, and the Copy (Or hit Ctrl-C)

Then Paste everything into a reply.

Then click on Services
Click on one item on the right side
Click on Edit, and then Select All (Or hit Ctrl-A)
Click on Edit, and the Copy (Or hit Ctrl-C)

Paste everything into the post, highlight everything, and hit the "pre" button (It says "Code Blocks" when you hover your mouse over it).
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'There's an old saying about those who forget history. I don't remember it, but it's good.'
Didn't help nobody really and u havnet fix problem yet ive had to launch the wow.exe file for 6 months now and then this stupid patch came out and i can't play the game i pay for...
U should really fix it or u are gonna loose subscribtions...