After upgrading to WP 3.4.1, my themes is not showing in /wp-admin/network/themes.php.
The themes was working and showing fine before the upgrade. Message: no themes found.
All the subdomains is still using the theme it have been activated with, but no one of the themes are showing in the network admin.
In the subdomain admin previously activated theme is visible and working, but not any of the other network activated themes are visible.
If I upload a new theme it is installing successfully, but it is not apparing in network admin.
This is an subdomain before 3.4.1 upgrade: http://softflora.digitalkampanje.no/
My new subdomain got the twentyeleven theme, but because the network admin will not show my themes, I am not able to change this: http://volvo.digitalkampanje.no/testside/
I have tried to upload the same themes in a ordinary WP installation, and the themes is working just fine. I have also checked if the themes is in wp-content/themes.
I have tried to deactivate all plugins, but nothing changes.
Please give me any advice on what to do!