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Documentation, guides, and resources for Noldus products.

Resizer error when trying to open a video in EthoVision XT

Last updated: Aug 24, 2026

Please go to the list of installed programs on your computer and look for the Noldus ResizerFilter. Select it and click Uninstall. Once it is removed look for EthoVision XT in that list, select it, and choose to repair. This will reinstall the filter.

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