can save product details , cannot save configuration

[roland123]

virtuemart version 2.0.22c

PHP Version    5.2.6-1+lenny16

Joomla! 2.5.14 Stable

When press save(not save and close) on configuration "/administrator/index.php?option=com_virtuemart&view=config" ,
it return to the welcome page of admin "administrator/index.php"
and cannot save the options.

However, product information can be saved.

Any hints to the problem? Thanks.

[Maxim Pishnyak]

You could try more newer versions (check Dev Portal at the top of current page).

What 3rd party extensions do you have?

[jenkinhill]

PHP Version    5.2.6-1+lenny16

Could be a problem. Can you not upgrade to PHP 5.3+?    - the recommended version for Joomla 2.5 is 5.3+  & absolute minimum for VM2.0.22 is probably 5.2.17