windows 7

any other programs running like a third party firewall that could slow down the web speed?

no ,the w7 firewall

have you tryed to deactivate the web shield and see if the web speed is improved by that?
yes i disabled

is he using the latest version of firefox?
.

yes , she did had slow down with the prev version of avast

in short should i uninstall ?
can i download the prev version , and install it without uninstall the new version?

hi thanks