webbrowser-app crashed with SIGABRT in QMessageLogger::fatal()

when I try to open ubuntu browser it crashes

ProblemType: Crash
DistroRelease: Ubuntu 16.10
Package: webbrowser-app 0.23+16.10.20160603.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
Uname: Linux 4.4.0-24-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu4
Architecture: amd64
CrashCounter: 1
CurrentDesktop: Unity
Date: Mon Jun 13 09:16:38 2016
ExecutablePath: /usr/bin/webbrowser-app
InstallationDate: Installed on 2016-06-10 (3 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
ProcCmdline: webbrowser-app
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: webbrowser-app
StacktraceTop:
 QMessageLogger::fatal(char const*, ...) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
 QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
 ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
 ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
 QWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
Title: webbrowser-app crashed with SIGABRT in QMessageLogger::fatal()
UpgradeStatus: Upgraded to yakkety on 2016-06-13 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo