Ubuntu Hardy: Recently many users complaint about firefox 3 keep on crashing whenever they try to load flash content websites.
To solve this problem:
Solution
1) Install nspluginwrapper
sudo apt-cache search nspluginwrapper
sudo apt-get install nspluginwrapper
or
wget http://www.chenhow.net/downloads/nspluginwrapper_0.9.91.5-2ubuntu2_i386.deb && \
dpkg -i nspluginwrapper_0.9.91.5-2ubuntu2_i386.deb
2) Install libflashsupport
sudo apt-get install libflashsupport
3) Reinstall flashplugin-nonfree
sudo apt-get remove --purge flashplugin-nonfree
sudo apt-get install flashplugin-nonfree
4) Restart firefox
5) Problem solved