There are very few topics (only 4) in the forum, and I can’t select my account Avatar from settings, which I just did a few days ago. Is it a general problem or just me?
Thanks.
It’s just you. 
This forum is for technical support on Blizzard’s Classic Games – legacy games such as Warcraft III: RoC and Diablo II (2000). This is the wrong forum for topics related to WoW.
World of Warcraft (all versions) has its own forums here:
Best of luck in your games !