Issue log in bitbucket in source tree

[ArturoTM]

I have an issue trying to connect an account from bitbucket in my source tree app in mac,
1.- during the instalation i log in my atlassian acount properly
2.- in the following step i try to log in and connect my bitbucket account, some pop up in the screen show me the log in screen i loged in the first time and something went wrong i cancel the process, try it again and i logged in properly and a little message said connected acount or something like that
3.- the pop up doesnt hide, and here i'm stucked, i cant even finish my instalation process
my source tree version 2.6.3 i try to download a newer version but mac OS cant inspect or something like that and even launch the installer app