You can easily disable this feature.
Simply start gksu-properties:
$ gksu-properties
And set grab mode to disable.
Hope that helps!
** Changed in: ubuntu
Status: New => Invalid
** bug changed to question:
https://answers.launchpad.net/ubuntu/+question/41740
--
System policy authentication dialog prevents screenshots
https://bugs.launchpad.net/bugs/227376
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs