In fact, Avast! Antivirus 4.8 is protected by the strong self-defense module that prevents it from being deleted if your computer is infected by a virus. This module is a desirable feature as some viruses have been cleverly programmed to turn off antivirus software on a system to make it easier to spread the infection across a larger number of files and even to other computers. If you have decided to remove Avast! Antivirus 4.8 Home from your system, you can disable this module before you attempt to uninstall the software. To Remove Avast! Antivirus 4.8 Home, you have to close all running programs on your computer. You need to Right-click the Windows "Start" menu icon. You must Click "Menu Options" and click "Program Settings."
After that, you can click "Troubleshooting" on the left side. You should Check the box for "Disable avast! Self-defense Module" and click "OK." Then, you need to click "Start" and "Control Panel." You can click "Programs" and "Programs and Features." You have to choose "Avast! Antivirus" from the list of programs and click "Change." Next, you should click "Uninstall" and click "Next." You need to wait for the setup wizard in order to complete its task. You must Click "Finish" and your computer will automatically restart to remove the last remnants of Avast! Antivirus 4.8 Home from your computer.