Avast antivirus is very effective & powerful antivirus program, easily available in the market. It includes different kinds of virus attacks including malwares, spyware, adware and Trojans. There are different versions of this program available as per user’s needs. On other hand, paid versions may have some advance features but free version is similarly enough in providing the complete protection. However, some users including Windows 8 have some kinds of errors while using free version of Avast and want to uninstall it. Read further if you want to learn how to uninstall Avast Free Antivirus 8 in simple ways. In addition, you can call at Avast antivirus technical support phone number 1-800-293-0867 for quick technical help.