No image toolkits available error

Hello,

after I have instaled imagechace, I have this error in my status report:
- No image toolkits available
- Imagecache requires an imagetoolkit such as GD2 or Imagemagick be installed on your server.

But one row above I have a green checked GD library [ bundled (2.0.34 compatible) ]

Image toolkit says:
- No image toolkits found. Drupal will use PHP's built-in GD library for image handling.
- The built-in GD2 toolkit is installed and working properly.

I hope someone can help my, thanks alot.