Summary: Avast Secure browser is perfectly safe to use, if you’ve found it installed with Avast without your permission, you can uninstall or remove it either by visiting Programs and Features Control Panel applet or by using Avast Secure browser removal tool. You will look at Uninstall or change a program window, find out the Avast Secure Browser program > right-click the program > click Uninstall. Note: If you have no idea whether an installed program is “good” or not, err on the side of keeping it, lest you accidentally remove something rather critical to Windows’ healthy operation). Download Avast Secure browser removal tool 2.64 MB.