I get the same behavior I mentioned in my first post both when I hit enter and when I click login.

Yes. Previously I had the login and register modules on a tab but since that did not work any more with the last version I had to change that. A skin without the search object does not have the problem with IE 70 to save the password. This is since ages like this...

Well, I am going offline for three weeks now for holiday without Internet...bye bye

goldenblunt, What domain are you setting the cookie from, and are you doing a redirect to another domain? Cookies are dependant on the domain field to determine access i.e. If the domain name in the Domain field matches the issuing site’s domain name, it is known as a First Party cookie - these are trusted because of the relationship and browsers default to allowing access to read/write them. However if the cookie is set by one domain but read by another these are known as third-party cookie's, and by default aren't as trusted (e.g. they're usually things like ad cookies set by google etc.), however if you have users logging into www.mysite.com, and then redirect to www.myothersite.com (but both are mapped to the same IIS instance, you can have the same problem)