American Express logon Web site error

Attempted to log on to American Express web site: https://www.americanexpress.com/
returns error of:

This webpage is not available
The connection to online.americanexpress.com was interrupted.
Here are some suggestions:
Reload this webpage later.
Check your Internet connection. Restart any router, modem, or other network devices you may be using.
Add Comodo Dragon as a permitted program in your firewall’s or antivirus software’s settings. If it is already a permitted program, try deleting it from the list of permitted programs and adding it again.
If you use a proxy server, check your proxy settings or contact your network administrator to make sure the proxy server is working. If you don’t believe you should be using a proxy server, adjust your proxy settings: Go to the Dragon menu > Settings > Show advanced settings… > Change proxy settings… > LAN Settings and deselect the “Use a proxy server for your LAN” checkbox.
Error 101 (net::ERR_CONNECTION_RESET): The connection was reset.

Currently using Dragon Version 27.2.0.0
With the following extensions:
Comodo Share Page Service 0.1

Comodo Web Inspector 0.2

Email this page (by Google) 1.2.5

Facebook Disconnect 1.3.0

Facebook Friends Checker 1.1.2

Google Translate 1.2.4

Google Translate for Google+ 1.1.7

Hover Zoom 4.19

KeyRocket for Gmail™ 0.7.3.2

Outlook.com Notifier 0.2

Plain 1.0.0.0

Print 2.0.2.5

PrivDog 1.1.0.62

SocialReviver 4.1

Ultimate Google Docs Viewer 0.8.4.7

Zoom 1.1.0.5

Disabled PrivDog 1.1.0.62 had no effect.

No problem with use of Internet Explorer.

Hello,

Does the error occur every time you attempt to log in?
Have you tried clearing your cache and cookies?

If clearing the cache and cookies does not solve the problem try the following:

  • Disable the “Do not allow websites to know where you came from (suppress HTTP Referrer header)” option.
  • Disable the “Enable malware domain filtering (Comodo Secure DNS)” option.
  • Run Dragon in incognito mode.

Regards.