Access to my login for Credit card

Hello Kurt, 

We will check and help you to resolve it. 

Could you please share the screenshot (https://support.avg.com/SupportArticleView?urlname=AVG-Create-screenshot) of the error message which you get when trying to login for credit card? 

Are you using AVG Anti-virus free or paid version of it? Please confirm the operating system installed in your device. 

You can post the screenshot here in your topic. Click on Answer & then click on the Image [mountain symbol] & follow the instructions.Thanks in advance.

I tried to access my login for my credit card account. At once the message comes
PR_CONNECT_RESET_ERROR
code 600c86b40e40.
I called the company and there is no phishing.

What can I do to get access to the homepage www.miles-and-more.kartenabrechnung.de?

I have the free version. The message is the same for firefox or chrome.
screenshot

Hello Kurt, 

Thank you for the screenshot. Could you please click on See detail option in the block message and take screenshot of that page?

Also, please translate the exact message appear in the screenshot. So, we can check which component blocking it and help you further with it.