Can't get rid of trouble opening music files properly in Opus

I have a new computer now, and i'am amidst setting up all programs. Like AIMP for example, which refuses to open music files with the new installed version. I have registered AIMP to be the music player, and it works perferctly in File Eplorer. However, Opus insists on some dubious path, where i don't have the slightest idea, where that comes from. Neither the "files and folders", nor the music file type group is pointing to that path (which i actually used on my old computer), and i also have added the proper path to the left click actions, but this fals path keeps popping up, so that i can't use the player without having to use "open with" every time.

And on one of our other machines we have the same problem, also involving Foobar or AIMP. Which config file i will have to edit or delete, to hunt down this nasty issue? Or can't it somehow be determined, which function or code part is triggered, when clicking music files? I also separately checked the MP3/MP4 types, and nowhere to find any "C:\Various\AIMP" path being set.

This is from my "music file type" settings. But when i click some MP3, Opus looks for the other path.

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Searching all of /dopusdata for this string is probably the quickest.

There are too many of those config files to go through them one by one. I guess it's an OCX file, so mybe some knows which one is rsponsible for "open with" or left click actions.

Meanwhile i'll give it a try anyway, thanks.

Yeah. Now, imagine a tool that could search entire folder trees. If only such magic existed!

If you mean Everything Search, no, it didn't find that path for some reason, using the known "content:" code. I found that path without tool in "C:\Users*****\AppData\Roaming\GPSoftware\Directory Opus\FileTypes\AIMP.AssocFile.MP3.oxr",

did a fresh backup, exited Opus, then manually changed the path to the correct one, saved, but it keeps coming back.

There might be more than one instance of the path in the file.

For exiting, also remember to use File > Exit Directory Opus if you weren't already, since it normally stays running in the background if you just close the window.

Close PROGRAM here. Should be the same.