Hi Dan,
I think this issue is back again, with the g3.6 version
Some users with whom i share docs cannot visualize them
with this error in the chrome’s console :
Refused to display ‘https://accounts.google.com/ServiceLogin?service=wise&passive=1209600&conti…e.com%2Ffile%2Fd%2F0B7kOZT5z16jdTUtHVTdoZkxaVDQ%2Fpreview%3Fusp%3Ddrivesdk’ in a frame because it set ‘X-Frame-Options’ to ‘DENY’.
Thanks !