Launcher Problems.

Hello. I've been experiencing a very annoying problem for me . I haven't played played Minecraft for like a year, and now , whenever im trying to log in into my account , it says "Sorry!Make sure you are online and try again".I've been searching on all the internet, changing password, restarting the pc , reinstalling Minecraft, using the installer to repair, restarting the internet, nothing worked.If you guys have any idead what it might be, i'd appreciate if you would say to me .