It looks like the same items are appearing as “ShellCreateVideo” and “ShellEdit” in File Explorer.
While those names aren’t as long as the ones in Opus, they’re still not the correct names, and some internal names for the menu items are being displayed as a fallback after the lookup of the proper names has failed. It’s going wrong in both programs, they just differ on what they show as a fallback.
The underlying issue is that the Windows Photo Viewer installation seems to be damaged on your machine.