Yesterday I did a Update ALL Products Price Sorter and it worked fine.
A while later I added the PHP Backup to my version 1.3.6.
That did seem to work well. There was not a backup option in the admin menu.
Anyway a little later I tried to Update ALL Products Price Sorter again and no go. It just sits there until the browser finally says 'can't load page'.
I'm wondering if the PHP Back utility made some changes that affected me being able to Update ALL Products Price Sorter?