Long Running Query Help

Can anyone tell me what is causing the below query to run, and how I can stop it? It has caused the CPU on my database to jump up to 100% and won't come down.

Sorry, I had to paste it into an image. The forum wouldn't let me past the actual query.

Thanks,
Shawn

Please delete thread, I found the exact same issue here: https://www.nopcommerce.com/boards/t/44286/extremely-high-database-load-after-upgrading-to-38-did-i-do-something-wrong-need-help-asap.aspx