A workaround for Lyx (it probably works for acroread too) can be found here: https://answers.launchpad.net/ubuntu/+source/netbook-meta/+question/134649
A workaround for Lyx (it probably works for acroread too) can be found here: https:/ /answers. launchpad. net/ubuntu/ +source/ netbook- meta/+question/ 134649