I hope your very well. As you know we assisted with this issue via email a few days back. I'm sorry for my delay responding here within the community.
I just wanted to thank you for taking the time to post and sharing this information for others. I also wanted to add my thoughts and provide a little background for the benefit of others. We provide the option within InstantKB to disable the login page. This is helpful if you are integrating InstantKB into an existing authentication system (for example your web site). However if you accidentally disable the login page through the Admin Control Panel and logout this will of course mean you can't login again through InstantKB.
The only way around this currently is to either follow the steps kindly detailed by Jeremiah above. If you don't mind losing the various settings you set on the InstantKB > Admin CP > Settings > Registration & Login page you can also simply run the SQL bellow against your InstantKB database to clear these settings.
SET SettingsXML = ''
Note: This will clear all registration & login settings. It won't clear other settings only those set on the Registration & Login settings page.
Once you've ran this script you'll need to recycle the application pool. You can do this directly through IIS or by touching the web.config. Once the application pool have been recycled or you've waited a few minutes you should see the login link appear again. Once logged in you'll need to visit the InstantKB > Admin CP > Settings > Registration & Login page and reapply any specific settings.
Thank again for posting Jeremiah. It's great to see people posting here I'm only sorry it's taken me so long to respond on this occasion.
If I can assist further please don't hesitate to respond here or shoot me an email.
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