unwanted automatic registrations from ?non human? members

[Oleks]

Hi,
I am running vBulletin Version 3.0.1.
For the last time I have a lot of unwanted automatic registrations.
Is any way how to protect forum from such ?non human? members?

[King Kovifor]

Oleks,

You are currently showing up as unlicensed.

To be able to download modifications and/or receive support here at vBulletin.org, we ask you to please click here (vB-Germany users click here, vB-Chinese users click here) and enter your email address. You will need to use your customer number and password (which will be in the email you got when you paid for your license) to access that page. Please note that your email is case sensitive.

To protect our customers privacy you will also need to Opt-In to license validation for all Support Sites. You must authorise vBulletin.org in order to validate your license status here. You can do this at the page linked above for your distributor. Make sure to set the permission to allow vBulletin.org to validate your status.

The update of your account can take up to one hour.

Thank you.