Stack Exchange network consists of 180 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
I am not able to sign in here, with my Launchpad username? What could be the main reason for that?
I am able to sign in with any of those my emails account or even with Facebook normally!