Noldus Knowledge Base

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My video image is missing/black/white/grayed out in certain places in EthoVision XT (e.g., Arena Settings, Detection Settings, Acquisition, Track Editor, Manual Scoring, Integrated Visualization, etc.)

This issue involves a situation where you do not see a video image in certain places in the EthoVision XT software.

Related to EthoVision XT

Error contacting the license server in The Observer XT 16

Early versions of The Observer XT 16 may need to updated if using a software-based license, due to changes in the license server.

Related to The Observer XT

Using the MediaTypeRegistryCleaner

When video files will not play in EthoVision XT, especially MP4 videos, this tool can often resolve the issue. Media File Error (Id 8356) may be a symptom in such cases.

Related to EthoVision XT