Videos not playing when the Trend Micro Check extension is enabled can be truly frustrating. .Just so you know, the Trend Micro Check extension for Safari is no longer supported. You can find more details here: End of Support for Trend Micro Check - Browser Security for Safari | Trend Micro Help Center
We now have the Trend Micro ID Protection browser extension, which allows you to disable blocking on specific pages that are having issues.
Since the Trend Micro Check extension is no longer supported, we won't be fixing any issues with it. I recommend switching to the Trend Micro ID Protection extension instead. Here's how you can use it:
1. Install the Trend Micro ID Protection browser extension:
https://tmurl.co/0c3ff-7
2.Go to the page where you're having trouble with the video.
3.Use the extension's settings to disable blocking on that specific page.
Hope this helps! If you have any questions, feel free to ask.