I cannot log in to Homestead Sitebuilder

Why can't I log into my homestead sitebuilder (desktop) on my PC? I worked well 2 weeks ago. I wanted to change something in my www.operaduetstravel.com. I have changed my password and now it may be the reason I cannot get in. Sitebuilder seems to remember only my older and shorter password.
I even uninstalled and installed the Sitebuilder.

Is nobody there?