Yes, O&O Defrag must be installed in order to be used with O&O Syspectr. Installation will be carried out automatically by O&O Syspectr whenever a local version is not already installed. If there’s an older version of the product in place that O&O Syspectr does not support, you’ll receive a notice and will either have to remove the older version or upgrade to the current one. The integrated Remote Desktop in O&O Syspectr can be used for doing this, providing you have this app available.

Posted in: O&O Defrag