Community Forum
What type of device are you using?
What app, browser, or email client are you using?
What was it that you updated?
I'm using an iPhone XR. I just updated the app Xfinity connect about a week ago.
Try deleting and reinstalling the app as suggested in this earlier thread.
https://forums.xfinity.com/t5/Xfinity-Connect-App/Xfinity-Connect-Email-Attachments/td-p/3351307