I found that AVG was slowing the response time of explorer 8 so I changede to Avast.This seemed to help for a while but now lags a long time now.When I disable avast the problem is fixed.I'm not sure which part to close down.I wonder if it was some windows update at some stage that has contributed to this as well.
Any thoughts on options for anti virus or settings that will not slow IE8.
Never had a problem with slowdowns using Avast. The shields that are not in use do not use resource, to any significant degree. I'd be more interested in what AV's were on the computer in the past - I know you've used AVG - and were their respective removal tools run?