Hi Since upgrading to 4.0.6 When accessin the media manager from with in SPPB The Images i the this inatial area only show what available within the browser window trying to scrolldown exits SPPB in the current page you can geat straight back into the page From the pages list Accesing images for Media managers side menu works fine its just the area where you upload images from within SPPB.
I have tried in various browsers and the result is the same Video below