Having the same trouble as everyone else - can't log in. It was a very useful feature so I hope they fix the problem soon.

worked for a year, but Firefox 85 (and MS Edge) have killed it. Unable to login anymore....

As others have commented, used to work but now unable to authenticate to app. This is with Firefox 85.0. It gets stuck in the authentication step. I deleted all my cookies and cache for *capitalone*. Hopefully gets fixed because it was a very useful feature.

It doesn't work at all. It looks like it is logging in and then it disappears. And the one time I did get it to assign a number, it got rejected by the site I was using. It's a total crock and waste of time and effort.

It just doesn't seem to work at all with Firefox. The extension prompts you to login and pops-up a separate window to enter your credentials, but after entering them it takes you right back to login again. You can run this circle as many time as you like.

This app do not work with Firefox, Chrome or anything. Stop sending emails. DOES NOT WORK

Every time I try to use it, it basically goes away and doesn't allow itself to be used on the page where I thought I'd use it.

App used to work great and I used it all the time. Nowadays this is worthless . For MONTHS have had the same issue everyone else seems to be experiencing. Get in a login loop, entirely unable to actually access or create new card numbers. Team is always "working on it" but never seem to actually accomplish anything.

Tried running the Chrome version of the extension, and get the same behavior there. This is clearly broken, and has gone unfixed for MONTHS. Just complete and utter trash.

Take some pride in your work and fix this.

This extension does not work on sites with CAPTCHA. Had to remove from my browser to use any credit card at my grocery store.

Always use ENO FIVE stars but not now. I can no longer sign in from browser since last firefox update. Put in name and password to sign in to ENO, send and it loops back to "sign in with browser". In the upper left corner of my desktop a small window opens and closes, too fast and small to note anything particular about the window. Have all permissions, cleared all cookies, no hope. Please fix.

Just called CapOne and was told they are no longer supporting ENO for firefox. SAD.

Unable to log into add-on with Firefox versions 85.0b+. The developer needs to address this before the next public release of Firefox drops.

Stopped working in Firefox. It no longer lets me log in. There's no error. It just goes back and tells me I need to log in using the browser.

Doesn't sign in anymore. No other way to make virtual card numbers. This app is a pile of garbage.

Nice while it worked, but then login stopped working - I'd log in using the popup window and it would have no effect so I could never get a number. Needs more QA, apparently.

I used it 1 time and worked fine. Now, not able to use it a second time for a different account/store.
"KEEP YOUR CREDIT CARD NUMBER TO YOURSELF
Eno appears at checkout and provides a unique virtual card number only for that site, allowing you to shop online without exposing your actual credit card number." Did/does not appear.

It seems there is no way to use a virtual card number unless you are using a browser with the add-in AND you are shopping where the merchant has a window open to insert a virtual card number. Citi Cards lets you generate virtual cards and you can use that number anywhere.