I found and tried this, sadly it didn't work (amd64). Actually it worked
once but that was all, after this I tried to delete the config and
login without success.
Now I don't use xfce-session (deleted the package), to be able to use
the desktop, with its respective drawbacks.
Mihai
On Fri, 7 May
Ondrej Majerech suggested that xfce startup problems might be due to old
config settings, so I tried this:
Move .config somewhere safe.
Start xfce with no .config, then quit.
Delete the new .config it just created.
Restore the old config.
On both of the systems tested, xfce with xfce4-session i