To check the version of BOINC Manager I had to start the the program which froze my system before I could add the following:
BOINC Manager Version 7.16.16 (x64) wxWidgets 3.0.5 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1926997 Title: BOINC and/or Einstein@Home freezes Ubuntu 21.04 after a few minutes. Other programs function as normal. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/boinc/+bug/1926997/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs