It says my version of osu! is too old. I already tried in updating it with osu!me and osu!update but it still doesn´t work, and when I open osu! it won´t let me log in! Please help! 
Lucy-Kaede wrote:
Try opening your osu! folder, and deleting two files:
"osume.exe"
and "osu!.exe"
Then:saving it into your osu! folder, and run it as administrator.peppy wrote:
Try manually downloading the latest osume.exe from http://osu.ppy.sh/release/osume.exe