TOPIC: Cannot uninstall CComment Core for clean reinstall

I installed a copy of CComment last year or before, v 5.3.5 or earlier but did not use it. I tried today to use Admin but got errors, could not find it in Manage to uninstall.
I got today latest version of Core 5.3.8 and installed; Dashboard OK so configured to appear on a Category, but no show, so I looked for the Plugin(s), not found. I had a brief halt on my site so I tried to uninstall, but I cannot find it in Manage.
I can see a Component and plugins in MySQL __extensions, don't know exactly where the files are
Is there a way to safely uninstall so that I can try again. Joomla! 3.6.5 Stable, PHP 5.6.29
Thanks
Trevor

So you are not seeing it in the manage extensions screen? BUt when you look directly in the database you can find traces of ccomment in the #__extensions table?

How about then deleting everything related to comment in #__extensions and installing after that?

Regards,
Daniel