x11-xserver-utils is not the right package. It is pcmanfm that crashes and relaunching it with "pcmanfm --desktop --profile lubuntu" is a workaround.
** Package changed: x11-xserver-utils (Ubuntu) => pcmanfm (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to x11-xserver-utils in Ubuntu. https://bugs.launchpad.net/bugs/1082621 Title: Desktop icons dissapear after executing xrandr To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pcmanfm/+bug/1082621/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp