While it is certain that the majority of World of Warcraft players are now enjoying the latest 4.0.1 patch update to the game, there are quite a number of considerable bugs and problems which may be causing gamers a lot of frustration.
Firstly, if you still haven’t had the chance to download patch update 4.0.1, you can do so over at FilePlanet here, the download is just under 5MB.
As for problems with the patch there seems to be a lot of them. So much that Blizzard already has a page full of ‘official’ known problems over on their website. They have listed issues in different categories, making it easier for gamers to find out if the problem they have is widespread or not.
Some of the general problems include animation issues with Frostbrood Matriarchs, sound problems when switching between talent specializations and incorrect honor points system for level 70 Brutal pvp gear, weapons and gems.
Take a look at the official 4.0.1 problems thread here, and then let us know if your problem is on the list. If you have encountered a different issue with the game after installing, let us know so others can try and help you.
You can read the official 4.0.1 patch notes here.