What does error message "Our systems have detected unusual traffic from your computer network. This page checks to see if it's really you sending the requests, and not a robot" mean and how can I solve and fix it.
Google
Just do the captcha and continue to Google but if you can't complete it you can do one of this things.
*. If you are using VPN or Proxy change your location, if that didn't help then you need to disable it completely.
*. If you are using privacy focused browsers like Tor and Mullvad then you need to download Chrome, Firefox, Edge or Opera.