I think it could be app independent, but in this particular case Echolink (amateur radio VoIP client) was running.
** Description changed: Binary package hint: wine The window buttons are duplicated, it seems that do not integrate well - in the Unit. When other windows are maximized and minimized some - problems also appear. + in Unity. When other windows are maximized and minimized some problems + also appear. ProblemType: Bug DistroRelease: Ubuntu 11.04 Package: evince 2.32.0-0ubuntu12.1 ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2 Uname: Linux 2.6.38-8-generic x86_64 NonfreeKernelModules: fglrx Architecture: amd64 Date: Wed May 18 23:15:26 2011 InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007) ProcEnviron: - LANGUAGE=es_ES:es:en - PATH=(custom, user) - LANG=es_ES.UTF-8 - SHELL=/bin/bash + LANGUAGE=es_ES:es:en + PATH=(custom, user) + LANG=es_ES.UTF-8 + SHELL=/bin/bash ProcVersionSignature_: Ubuntu 2.6.38-8.42-generic 2.6.38.2 SourcePackage: evince UpgradeStatus: Upgraded to natty on 2011-04-18 (30 days ago) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/784872 Title: wine and unity: some problems with the window buttons -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs