Avast Rescue disk Option Not available

Running the latest version of Avast Premier I have no option “rescue disk” under tools why is that?

http://www.avast.com/en-us/faq.php?article=AVKB114#artTitle

http://www.avast.com/en-us/faq.php?article=AVKB87#artTitle

You need to install the option.

Windows Start Menu > Control Panel > Programs and Features > Avast > Uninstall > Select Change , add the Rescue Disc option.