Issue's witch VM 2.0 and clean Joomla 2.5.1

[vlaspld]

After a clean install of Joomla 2.5.1 and a installation of VM 2.0 it was successvull, but when i want to for example wants to add product catagorie's or tax rules ect, I get a white screen with some links only.

The fields are not Visible.
Is this a bug or do i something wrong?

PHP gebouwd op    Linux vps2204.vlaspo.nl 2.6.18-028stab069.6 #1 SMP Wed May 26 18:10:06 MSD 2010 x86_64
Database versie    5.1.57
Database collatie    utf8_general_ci
PHP versie    5.2.17
Webserver    Apache/2.2.3 (CentOS)
WebServer naar PHP interface    apache2handler
Joomla! versie    Joomla! 2.5.1 Stable [ Ember ] 2-Feb-2012 14:00 GMT

Please help, screenschot attached.

[jenkinhill]

http://forum.virtuemart.net/index.php?topic=96713.0

See http://forum.virtuemart.net/index.php?topic=97426.0