grace 5.1.23 has been released. It includes a fix for bug 843647 among other things.
Thank you for the report. I am working on the update that I think will fix a class of problems where grace crashed with floating menus (or related widgets).
grace-5.1.23-1.fc18 has been submitted as an update for Fedora 18. https://admin.fedoraproject.org/updates/grace-5.1.23-1.fc18
grace-5.1.23-1.fc17 has been submitted as an update for Fedora 17. https://admin.fedoraproject.org/updates/grace-5.1.23-1.fc17
grace-5.1.23-1.fc16 has been submitted as an update for Fedora 16. https://admin.fedoraproject.org/updates/grace-5.1.23-1.fc16
Package grace-5.1.23-1.fc18: * should fix your issue, * was pushed to the Fedora 18 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing grace-5.1.23-1.fc18' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-19107/grace-5.1.23-1.fc18 then log in and leave karma (feedback).
grace-5.1.23-1.fc18 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report.
grace-5.1.23-1.fc16 has been pushed to the Fedora 16 stable repository. If problems still persist, please make note of it in this bug report.
grace-5.1.23-1.fc17 has been pushed to the Fedora 17 stable repository. If problems still persist, please make note of it in this bug report.