Magento is returning “200 OK” status instead of “404 not found”.

[tom100]

If I browse to a non-existent URL on my site, I receive a "200 OK" status from the server, although the URL is invalid and page is 404.
If I disable mega menu extension everything is ok. If is enabled there are problems with status "200 OK".

I will be gratefull for tips how to solve this problem.

[Damian Culotta]

Hi @tom100,

Can you check this configuration on your store?

URL auto-redirect