I finally figured where the redirect loop might be coming from. It has to be the ultimate branding plugin. Not too happy at the moment as I could not solve the issue and had to do a reinstall of everything and redesign as I didn't want to take the chance of the problem returning. It is back. I thought it was a security plugin in my previous support requests. I attach two images. Please look at the top part in the browser.
The following step don't work.
The back door entrance in the cpanel does not exist any more according to error info.
Defining my sites in the config file and a heep of other solutions I have found and implemented.