Flash advertisements are evil. To help from FF from crashing and it does happen.
Please go to the mozilla web site and install flash blocker. It is all most
surfing the net add free. To play flash is simple. Just click on it once flash
blocker has been installed. You might want to install updates. There has been
some changes with FF to help stop the crashing. It was really bad with Drapper
version of Ubie. It was really bad.
WIFI issue on your laptop can me a frustrating issue. So if you can tell
us your wifi card and or your lap top. Then I may be able to help you debug that
issue.