There are two paths you can take if you’re having issues:
- Use a different (current) browser to access the https pages (Firefox, Chrome, Safari)
- Turn on the new security settings in Internet Explorer. Here’s how you do that:
Go to Tools -> Internet Options -> Advanced Tab -> Scroll down to the Security section
Scroll down until you see Use TLS 1.0, TLS 1.1 and TLS 1.2, and make sure they are checked. Hit the Apply button, and close the browser. When you reopen Internet Explorer, everything should work.
Here’s the settings page:
These security standards are absolutely necessary for AMO to remain PCI Compliant.
Note, that all *current* browsers work with AMO, and it’s in your best interests to keep current with browser’s updates and remain secure online.