Fatal Error: System.ComponentModel.Win32Exception (0x80004005): Cannot find the specified file

[magick93]

I'm unable to start the application on Ubuntu 22.04.

I get the following error

Error

Fatal Error: System.ComponentModel.Win32Exception (0x80004005): Cannot find the specified file
  at FloydPink.Flickr.Downloadr.UI.Windows.BaseWindow+<>c__DisplayClass3_0.<HandleException>b__0 (System.Object <p0>, System.EventArgs <p1>) [0x00000] in <8095045cd9ae44eeb2ddbee71b253e64>:0 
  at Gtk.Application+InvokeCB.Invoke () [0x00000] in <91487213bf394f4aaf87012594abed2f>:0 
  at GLib.Timeout+TimeoutProxy.Handler (System.IntPtr data) [0x0003c] in <918680a31aa84cb89cfa7cab56ea29b8>:0  ... False

[ctrlcctrlv]

Same.