Sharon, 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 (http://support.microsoft.com/en-us/kb/827218).
AVG Guru
My AVGs file has been removed somehow. Everytime i try to fix it an error code comes up. 0x0070643 and it wont let me delete, fix, update or reinstall either. not protected now so need to fix it
Sharon, 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 (http://support.microsoft.com/en-us/kb/827218).
AVG Guru
AVG Guru