Topic 64-bit Client Prevents Patching to 4.3.3
Just throwing this out here incase people dont catch it from other sources. Seems the 64bit clients will stop you from updating.
Having our 64-bit test client installed will prevent you from patching to the upcoming 4.3.3 version of World of Warcraft. If you attempt to patch with the 64-bit files in your World of Warcraft folder, you will receive an error
In order to patch successfully, you must delete the following files from inside your World of Warcraft folder:
World of Warcraft-64.app (Mac)
new 64bit Beta Patch avalible on US forums,
Works fine, as I have just logged in with it