Please upgrade to a supported browser to get a reCAPTCHA challenge

[zenrast]

I get a lot of those messages from Google and no captcha is displayed:

"Please upgrade to a supported browser to get a reCAPTCHA challenge.
Alternatively if you think you are getting this page in error, please check your internet connection and reload."

What should i do?

 

[lokiys]

Use some up to date user-agents