"Browse" button for Pictures location freezes the UI

[Jeroen T. Vermeulen]

When I start up Wallch (never having run it before on this system), I click the "Browse" button for the "Pictures location." Nothing happens, no dialogue appears, and the UI becomes unresponsive.

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: wallch 4.0-0ubuntu4
ProcVersionSignature: Ubuntu 4.10.0-20.22-generic 4.10.8
Uname: Linux 4.10.0-20-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.4-0ubuntu4
Architecture: amd64
CurrentDesktop: Unity:Unity7
Date: Tue May 2 11:14:37 2017
InstallationDate: Installed on 2017-02-06 (85 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
SourcePackage: wallch
UpgradeStatus: Upgraded to zesty on 2017-04-18 (14 days ago)

[Jeroen T. Vermeulen (jtv)]

Here's the output when I re-run wallch from a terminal. The Glib messages appear when I click Browse:

    Error: The message '--focus' could not be sent to Wallch.
    Assuming that the previous Wallch instance crashed and starting a new one now. Sorry for this :)
    libpng warning: iCCP: known incorrect sRGB profile

    (wallch:8282): GLib-GObject-WARNING **: cannot register existing type 'GdkWindow'

    (wallch:8282): GLib-CRITICAL **: g_once_init_leave: assertion 'result != 0' failed

    (wallch:8282): Gdk-CRITICAL **: gdk_window_ensure_native: assertion 'GDK_IS_WINDOW (window)' failed

[Richard Hainsworth (rnhainsworth)]

Exactly same for me.
Trying to install wallch on a Zesty using new computer with fresh Ubuntu.

Addition: I have to kill wallch from command line to remove. Quit from menu does not work

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[dino99 (9d9)]

That version is now dead
http://news.softpedia.com/news/ubuntu-17-04-zesty-zapus-has-reached-end-of-life-upgrade-to-ubuntu-17-10-now-519360.shtml