home-assistant.io/source/_faq/after-upgrading.markdown

layout, title, description, date, comments, sharing, footer, ha_category

layout	title	description	date	comments	sharing	footer	ha_category
page	After upgrading, your browser login gets stuck	After upgrading, your browser login gets stuck	2017-06-18 09:00	false	true	true	Usage

After upgrading to a new version, you may notice your browser gets stuck at the "loading data" login screen. Close the window/tab and go into your browser settings and delete all the cookies for your URL. You can then log back in and it should work.

Android Chrome:

chrome -> settings -> site settings -> storage -> search for your URL for Home Assistant-> "clear & reset"