Cant' save configuration,it return to control panel!

[Mannaiasanturoccu]

I use VM version 2.0.24c  and joomla 2.5.14 today I noticed I can't save settings in the configuration panel...editing and add product/categories work fine..only getting problems when i tap on save or save and close button it redirect me to initial control panel of joomla without save changing..any help?

[jenkinhill]

Check vendor status: http://forum.virtuemart.net/index.php?topic=99353.0