Compatibility: Versions 6.7.x and 6.8.x

4D uses Apple QuickTime routines to implement picture conversion and compression. Without QuickTime installed, 4D will not be able to display certain picture formats that require QuickTime.

The Picture Library is of no exception. Verify that Quicktime is installed and then, if needed, verify that the machine can display that particular picture format.

For more information on how to verify available formats, please see:
https://www.4d.com/support/tips01-846.html