My clean install of Ubuntu 19.10 was hanged on same error:
ubuntu xdg-gesktop-por[5138]: Failed to get application statuses: GDBus.Error:org.freedesktop.portal.Error.Failed: Could not get window list: GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: App introspection not allowed
ISO was checked with both sha shum, and from boot menu - no broken checksums, but still install broken.
My clean install of Ubuntu 19.10 was hanged on same error:
ubuntu xdg-gesktop- por[5138] : Failed to get application statuses: GDBus.Error: org.freedesktop .portal. Error.Failed: Could not get window list: GDBus.Error: org.freedesktop .DBus.Error. AccessDenied: App introspection not allowed
ISO was checked with both sha shum, and from boot menu - no broken checksums, but still install broken.