Actually, it's not a problem with compiz or unity. Since there are desktop icons visible, that means it's in nautilus or in whatever PNG decoding library that nautilus uses.
** Package changed: compiz (Ubuntu) => nautilus (Ubuntu) ** Changed in: nautilus (Ubuntu) Status: New => Incomplete ** Also affects: libpng (Ubuntu) Importance: Undecided Status: New ** Changed in: libpng (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/1090623 Title: Something made backgroud pic have glitch,, Status in “libpng” package in Ubuntu: Incomplete Status in “nautilus” package in Ubuntu: Incomplete Bug description: Something made backgroud pic have glitch,, Its live usb and it was ok till one moment it changed when i was right clicking desktop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libpng/+bug/1090623/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp