Is this issue reproducible? If so, could you please open a terminal and run "update-manager" there and see if anything is printed on the terminal when it hangs? Could you please also check if there is a crash file in /var/crash after this problem happens?
Thanks for your bugreport.
Is this issue reproducible? If so, could you please open a terminal and run "update-manager" there and see if anything is printed on the terminal when it hangs? Could you please also check if there is a crash file in /var/crash after this problem happens?
Thanks,
Michael