From A Victim:

About howareyoucomputer.com
You should notice that this security alert of howareyoucomputer.com is a fake message. This message is sent by an adware.Your browser may get infected with it after visiting malicious sites, or it can be hidden in freeware installations and installed by users mistakenly. In either way, the adware begins to pop up similar fake alerts to lead the victims to call the given number. If you feel panic and call the given number, you will be required to pay for the so-called tech support sooner or later. Or you will suffer great loss with telephone bills.This is a common trick targeted inexperienced users. What you should do is to stop howareyoucomputer.com pop-up from disturbing you permanently.
You can try the free scanner to know about the real security condition of your computer.
You can try the free scanner to know about the real security condition of your computer.