Greg,
Sorry to hear about that. Please try to boot your PC to safe mode ( http://avgclick.me/rebootintosafemode ). Then try to uninstall AVG programs and boot your PC to normal mode. Let us know if that worked for you to assist you further.
I updated my avg virus protection & driver software yesterday. Today I can not open my laptop. It breezes through the inital login screen but then my screen effectively goes blank with the odd shortcut flashing but nothing else seems to he happening
Greg,
Sorry to hear about that. Please try to boot your PC to safe mode ( http://avgclick.me/rebootintosafemode ). Then try to uninstall AVG programs and boot your PC to normal mode. Let us know if that worked for you to assist you further.