Try to change another proxy to have a try.
Or enter your captcha apikey in settings, then software will auto verify it once the captcha appears.
It is a service which is used to auto solve the catpcha.
Visit 2captcha website, then charge for your account, then enter your account apikey here.
Btw, you can change a new proxy to have a try. Usually new proxy won't ask you verify the captcha.
Free/paid http proxy works in this software.
I am sorry, we only provide the function to auto solve capthca. But if you need this service, you need to buy it own. This service is not from us.
You can choose not use this service too. Using fresh proxy usually can skip the captcha step.