help i can t log in :(

i can t believe... why i can t log in this game?! i have played it for 6 or more month... but now with no motivation i can t...i have tried everything to resolve it... but...nothing :( i really miss to play this game... someone can really help me? 6 month ago i played this game correctly with windows 7 but i install it without using my avg antivirus...because... the antivirus stopped many file that i was tring to download...today i have windows 10 and i don t have antivirus on! but i think i don t have many file... when i have recently download this game i have only : DATA, INTERFACE, WTF , divxdecoder.dll , scan.dll , warmane link, wow application, wow.mfil, wow.pfil, wow.tfil .only this files? i remember when i played it 6 month ago with windows 7... there was more files i think... or no? sorry for all this topic but i really want to play this game...and i haven t italian friends in this game that can help me... well i m in your hands...pls (i have tried lot of tips found in this forum..but nothing, i have tried to delete chache folder, to delete corrupted files, to delete realmlist file...nothing and nothing) if the game start i can only write my name and my password, but i can t log in...sometime it tells me about a corrupted files...and somtime it tells my to convert my account to a battle.net account... but i have correctly write my name and my password...god help