If the watermark only appears when using specific effects, it is likely from a third-party plugin like ProDAD Vitascene NewBlue FX Vitascene Solution:
: Ensure you are using the latest build (later than 10.34) and restart your OS. edius x watermark remove
: Obtain a valid Pro or Workgroup license from an authorized EDIUS reseller . If the watermark only appears when using specific
: Select Online Activation and enter your purchased serial number. edius x watermark remove