The EDIUS 9 watermark is much smaller (static corner logo) compared to EDIUS X (diagonal overlay). While still illegal to use commercially, a corner logo is easier to crop out by re-framing your video to 90% scale (though you lose resolution).
: Perform a clean install by running the uninstaller found in C:\Program Files\NewBlueFX\uninstallers and then reinstalling from the EDIUS installer. 2. External Media Watermarks edius x watermark remove