Note: This will likely be taken down soon since it has been posted on the MHN wiki here: https://github.com/threatstream/mhn/wiki/MHN-Troubleshooting-Guide
This is a Work in Progress troubleshooting guide to MHN, compiled from responses to questions to the MHN alias (mhn@threatstream.com).
Can you describe the error you're encountering when logging in? Password failure? Connection failure?