In almost all of these cases it is the cookie settings that are wrong.
David Remember: You only know what you know and - you don't know what you don't know! My CDB Contributions | How to install an extension I will not be accepting translations for any of my extensions in Github - please post any translations in the appropriate topic. No support requests via PM or email as they will be ignored
Maybe using Chrome Inspect? I've saw now on the Application Tab a Cookies values with a Max-Age. I've like 2 cookies, one from phpBB with 1 year and other from my host with 1h. Maybe this 1h from host is logging me out?