Are these the "lines of code" you followed to fix the error? (They fixed it for me)
cd /usr/lib sudo ln -s libnspr4.so.0d libnspr4.so cd ~/.mozilla/firefox/*.default rm xpti.dat compreg.dat
Are these the "lines of code" you followed to fix the error? (They fixed it for me)
cd /usr/lib firefox/ *.default
sudo ln -s libnspr4.so.0d libnspr4.so
cd ~/.mozilla/
rm xpti.dat compreg.dat