I can't duplicate this bug on my computer with the information you have provided. Maybe it's a graphics driver issue?
** Changed in: nautilus (Ubuntu) Status: Incomplete => New ** Changed in: ubuntu-gnome Status: Incomplete => New ** Summary changed: - Nautilus titlebar menu has the unexpected background + Nautilus titlebar menu has unexpected background -- 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/1690572 Title: Nautilus titlebar menu has unexpected background Status in Ubuntu GNOME: New Status in nautilus package in Ubuntu: New Bug description: The opened menu from the Nautilus titlebar has the unexpected background (screenshot is attached). --- ApportVersion: 2.20.4-0ubuntu4 Architecture: amd64 CurrentDesktop: GNOME DistroRelease: Ubuntu 17.04 GsettingsChanges: org.gnome.nautilus.preferences default-folder-viewer 'list-view' org.gnome.nautilus.preferences sort-directories-first true org.gnome.nautilus.window-state geometry '890x550+535+201' org.gnome.nautilus.window-state maximized true org.gnome.nautilus.desktop trash-icon-visible true InstallationDate: Installed on 2017-03-20 (53 days ago) InstallationMedia: Ubuntu-GNOME 16.10 "Yakkety Yak" - Release amd64 (20161012.1) NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia Package: nautilus 1:3.20.4-0ubuntu2 PackageArchitecture: amd64 ProcVersionSignature: Ubuntu 4.10.0-20.22-generic 4.10.8 Tags: zesty Uname: Linux 4.10.0-20-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm bumblebee cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True usr_lib_nautilus: gnome-terminal 3.20.2-1ubuntu8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-gnome/+bug/1690572/+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