webbrowser-app crashes on launch

[eezacque]

Starting it gives he following error message:

(webbrowser-app:4550): dconf-CRITICAL **: unable to create file '/run/user/1000/dconf/user': Permission denied. dconf will not work properly.

(webbrowser-app:4550): dconf-CRITICAL **: unable to create file '/run/user/1000/dconf/user': Permission denied. dconf will not work properly.

(webbrowser-app:4550): dconf-CRITICAL **: unable to create file '/run/user/1000/dconf/user': Permission denied. dconf will not work properly.
MESA-LOADER: failed to retrieve device information
unity::action::ActionManager::ActionManager(QObject*):
 Could not determine application identifier. HUD will not work properly.
 Provide your application identifier in $APP_ID environment variable.
UCUriHandler: Empty "APP_ID" environment variable, ignoring.
file:///usr/share/webbrowser-app/webbrowser/ContentPickerDialog.qml:22:1: module "Ubuntu.Content" is not installed
file:///usr/share/webbrowser-app/webbrowser/ContentDownloadDialog.qml:22:1: module "Ubuntu.Content" is not installed
file:///usr/share/webbrowser-app/ContentHandler.qml:20:1: module "Ubuntu.Content" is not installed
file:///usr/share/webbrowser-app/webbrowser/DownloadHandler.qml:20:1: module "Ubuntu.DownloadManager" is not installed
Input device added: "Power Button" "/dev/input/event1" QFlags(0x1)
Input device added: "Video Bus" "/dev/input/event2" QFlags(0x1)
Input device added: "Power Button" "/dev/input/event0" QFlags(0x1)
Input device added: "HDA Intel HDMI HDMI/DP,pcm=3" "/dev/input/event14" QFlags(0x20)
Input device added: "HDA Intel HDMI HDMI/DP,pcm=7" "/dev/input/event15" QFlags(0x20)
Input device added: "USB Optical Wheel Mouse" "/dev/input/event3" QFlags(0x2)
Input device added: " USB Keyboard" "/dev/input/event4" QFlags(0x1|0x10)
Input device added: " USB Keyboard" "/dev/input/event5" QFlags(0x1)
Input device added: "HDA Intel PCH Rear Mic" "/dev/input/event7" QFlags(0x20)
Input device added: "HDA Intel PCH Line" "/dev/input/event8" QFlags(0x20)
Input device added: "HDA Intel PCH Line Out Front" "/dev/input/event9" QFlags(0x20)
Input device added: "HDA Intel PCH Line Out Surround" "/dev/input/event10" QFlags(0x20)
Input device added: "HDA Intel PCH Line Out CLFE" "/dev/input/event11" QFlags(0x20)
Input device added: "HDA Intel PCH Line Out Side" "/dev/input/event12" QFlags(0x20)
Input device added: "HDA Intel PCH Front Headphone" "/dev/input/event13" QFlags(0x20)
Input device added: "HDA Intel PCH Front Mic" "/dev/input/event6" QFlags(0x20)
Input device added: "Eee PC WMI hotkeys" "/dev/input/event16" QFlags(0x1)

(webbrowser-app:4550): IBUS-WARNING **: Unable to connect to ibus: Could not connect: Permission denied
QOpenGLShader: could not create shader
intel_do_flush_locked failed: Invalid argument