This is a known bug (a Microsoft bug that we haven't worked around yet). See: https://wyday.com/forum/t/908/wpf-transparency-makes-autoupdate-control-images-disappear/#post-4558
bugreportThe icons of AutomaticUpdater are not showing with AllowsTransparency="True"
To reproduce:Create a new WPF window project, add the AutomaticUpdater andWindowStyle="None"AllowsTransparency="True"to the MainWindow.
This is a known bug (a Microsoft bug that we haven't worked around yet). See: https://wyday.com/forum/t/908/wpf-transparency-makes-autoupdate-control-images-disappear/#post-4558