I've noticed that since upgrading from AVG Free v8.5 to v9 Windows Defender has been disabled (on a Vista machine), anyone else had the same problem?
Sorry, don't use any of them - fat lot of help, eh. ;)
Same here, sorry
That makes three of us. :)
A bit of info here, hope it is of help:
http://www.support4world.info/avg-anti-virus/avg-9-0-disabling-window-defender