URL error when users login

[gummiklokke]

Hi,

After updating to the latest VM - When users are using the log-in form on check out - they get an Not found error - i noticed that when you pres Log in/Log Out you now are returned to at double URL??
http://ap.megamedia.dk/http://ap.megamedia.dk/index.php?option=com_virtuemart&view=cart

What to do?

Joomla: 3.8.1 - virtuemart: 3.2.4