It sounds like a potential problem with cookies. Have you tried to use incognito in Chrome or a different browser (won't have cookies and will function like new)? You can also clear your cookies and cache if you want to use your current
Here is a link to an article to help with clearing your cookies, that can help: https://ttlc.intuit.com/questions/1901488-how-to-clear-your-cache
Here is also a link to a video about incognito for Chrome, if you need it (I use incognito ALL the time to troubleshoot any issues).