Incorrect “Posts -> Categories” counts and “posts” table

Since this plugin creates entries in the “posts” table for media attachments assigned categories, while the posts counts are correct from the Posts -> All Posts menu, the post counts on the Posts -> Categories menu are not, because Media Library items are being counted as posts.

I deactivated the MLC plugin but, not surprisingly, that didn’t correct the Posts -> Categories count issue nor changing the MLC category slug to something other than the default “category” value (which I’d left it at).

I’ve decided to delete MLC for this particular website, and now am wondering if there’s a method to clean up the “posts” table to remove the MLC records and reset the Posts -> Categories count. Looks to be a generic issue for those who may try the plugin and later disable it. Thanks.

The page I need help with: [log in to see the link]