Navigate to your Wordpress Admin β Settings β General
Check your site name and site host - make sure they have HTTPS and not http prefixed. I noticed that Local rewrites the site name and host to Localhost:??? whenever there is a trust issue on the certificate. At least that is what I think.
I have run into this with a multi-site. I have the siteurl and home values correct in the DB. They are also set to https.
The issue I am seeing is that when trying to connect without the trailing slash, the page is redirected to the domain with the port and without the SSL, so http. If I add the trailing slash, then everything is ok. Everyone has been mentioning that this is an issue only with Apache, but I am only using Nginx and donβt even have Apache installed for LocalWP.
This is then redirecting me to the wp-signup.php page because of the domain and port change that doesnβt match. The MS is set up to run as subdomain and Local is set to Site Domains for the router mode.