Before Posting Your Stuck At Connected Read This!!
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ok if you have patched up to 2.4.3 and your server is stuck at connected you have 2 options.
1. you can wait for new repacks or
2.you can follow this simple guide on how to downpatch your wow.
step 1.
go into your world of warcraft folder.
once in there go into the data folder and delete the file called patch.MPQ

(note: if u have one called patch2.mpq delete that aswell!)
ok once you've done that go back into your world of warcraft folder and hit the repair button-

now make sure you only click check files only-

now once thats done you need to patch back upto 2.4.2 personally to do this i just ran my world of warcraft and it took me to 2.4.2.
once your at 2.4.2 make sure you dont download 2.4.3 the easiest way to do this is to use the wow.exe in your world of warcraft folder NOT the launcher-

hope this helped!