Cannot Open AVG site and Cannot Update Antivirus

If some of you try to enter www.avg.com and the page appear to be broken, and every time you try the same result you get, you need to know that your computer is infected by malware or similar threat that prevent you from open any antivirus site or running your antivirus apdater.
You can remove this threat by using anti malware and im using malwarebytes:
Download malwarebytes

This software come in free and shareware which you must buy it and what i can say is free edition is already enough to remove all the threat. After scanning you need to restart to fully remove all the threat and infection.