Using Chrome, I am unable to access gradebook through CANVAS - instead I get a blank page.  I have the same problem with Inbox.  Pictures below.  This happens when I use CANVAS at either of the two schools I teach for.  Restarting computer and clearing cache did not help.  I do not have this problem if I access the sites using an incognito tab.  I do not have the problem when I use Firefox.  Suggestions?  (The workarounds work, but are annoying, I'd like to figure out the underlying cause.)