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A couple of days ago, when I came back to my computer after a couple of hours, the following window was on my desktop:

05:19:06 PM {Cancel} {OK}

The title bar said "gnome-screensaver-dialog". That's it. I just clicked OK, and went on. This has happened to me once before, but a long time ago.

Please note, I just have the plain blank screen as the screen saver.

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When you go away from the computer it lock. On the unlock password screen there is a button so that someone can leave a message. Is this a case of somehow a blank message got left?

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I'll try it tonight and see what happens. Thanks! – lamcro Sep 23 '10 at 12:31
This is properly what happened, i just tried leving a blank message for my self and it showed up like that. This may be worth a feature request/bug report for the gnome team. – LassePoulsen Sep 23 '10 at 12:47
Spot on! Try locking your desktop - leaving a blank message and then logging back in. – DilbertDave Sep 23 '10 at 17:57

this is exactly the intended behavior. It is there just in case someone needed you (or your computer) "while you were out". This way, they can leave you a message, without breaching into your computer for that. Say you went to the restroom, and a co-worker wanted to have you look-up something for them, this way, they can just leave you a message and let you know without having to track you down or leave it on a post-it (which may not be available). The only problem here is maybe we should have the devs add a title bar or other such information to the message that will let the user know it is a "while you were out" message, as opposed to just "something from gnome-screensaver".

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