Yvonne, Try removing AVG by downloading & using the 32 or 64bit 2015 Remover (http://www.avg.com/ww-en/utilities) [Scroll Down], whichever suits your system. If you're not sure about 32 or 64 bit on your system have a look @ this link (https://support.microsoft.com/en-us/kb/827218).
AVG Guru
i need to unistall AVG Internet Security but it fails I need to uninstall as my licence number is not recognised - now I am at risk as I have not internet security.
Yvonne, Try removing AVG by downloading & using the 32 or 64bit 2015 Remover (http://www.avg.com/ww-en/utilities) [Scroll Down], whichever suits your system. If you're not sure about 32 or 64 bit on your system have a look @ this link (https://support.microsoft.com/en-us/kb/827218).
AVG Guru