A work around for this bug (although its insane that this should even be needed) is to make an account at https://login.ubuntu.com/ as the main site don't require a captcha. Both my wife and I could not get this captcha to work and we tried about 15 times each which is insane for a captcha.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1033598 Title: the CAPTCHA challenge in Ubuntu Software Center is much too difficult to solve for a real human being To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/1033598/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs