Originally Posted by dochodiaga
I managed to solve the problem in a rather unusual way.
Go here and install this plugin :
aiRedirectWww - Joomla! Extensions Directory
It makes an automatic redirection when someone types URL without "www" and therefore makes the yj piecemaker visible. Maybe not the best way but works for me.
I have installed this plugin and I still have the same problem as before. The plugin is enabled and still does not work.
As for SH404SEF, I searched for it and only found this file,
sh404SEF 1.0.20 Beta (Joomla 1.0 only)
which is only a patch and does not work.