Dynamix Link Server Failure - Cannot load videos

3b  Support for the above, see:

https://helpx.adobe.com/lightroom-classic/kb/troubleshoot-video-issues.html

If that did not help

3. If Windows OS

1. Close Lightroom.
2. Press Ctrl + Alt + Delete > Start Task Manager > Process.
3. Select Dynamic Link Manager > End Process.
4. Start Lightroom

( https://feedback.photoshop.com/photoshop_family/topics/connecting-to-dynamic-link-server-failed-while-importing-videos   )

If MACOS seez;

https://community.adobe.com/t5/lightroom-classic/import-error-connecting-to-dynamic-link-server-failed/td-p/5163531?page=1

If that did not help

2.Bring up your Adobe Creative Cloud Desktop. Sign out. Sign in

Only of course if your computer has internet access.

1. I assume you have tried shutting your computer off, then turning it back on (cold boot)