Easy Steps for Avast.
#1 Right click the icon in the tray and go to "On-Access Protection Control".
#2 Select the "Standard Shield" from the list on the left.
#3 Click the customize button.
#4 Click the top right "right" arror till you see the Advanced tab, once should do it.
#5 Click the Add button and type in you rr path like this w/o quotes "C:\Program Files\Road Runner\*.*"
TimmyM also notes that if you are having install probs while using avast, move the installer to inside the Road Runner folder after doing the above and it should then install correctly
Then you will no longer have your problem that you are having.