Related product AJAX search - no results

[Richard King]

OK we have looked and searched for an answer on this one, and we keep drawing blanks

In admin, when ading or modifying a product the related product AJAX search - no results in drop down

I have cloned the JSON file and renamed all the variables (to rule out a conflict) - no joy

I have disabled  all the other plugins and modules - same - no joy

We are not using the AZUL module for anything (not installed ever)
 
We have uninstalled all components other then virtuemart (JCE, ArtForms, CSV improved, JPACK) - stil the same

We have also tried typing in the category description etc..

Is there a Non AJAX version of this script (product_ajax_tools)?
Has anyone else resolved this issue?

Richard

[Richard King]

and the server is running PHP 5