<<Seems if you don't keep up with upgrades, even if your computer is
working perfectly, some functions will be withdrawn by the forces
Apple gradually withdraws older functionality with each new OS release. The=
current system, 10.7, no longer supports pre-Intel applications. I'm stick=
ing with 10.6 for the moment since a few of my audio apps have never been u=
pdated to work on Intel processors, & run under the Rosetta wrapper on curr=
If you're running 10.4 you must have a G4 or G5 processor &, if I'm not mis=
taken, OS 10.5 is the last system which will run on those machines. It may =
be difficult to find a new copy of 10.5, & even that may not be new enough =
to fix this Firefox issue. Perhaps there is a preference within Firefox all=
owing you to turn off the automatic update feature.
Since my audio business is utterly dependent on Apple computers I find it g=
ood to never get more than a couple years behind the current hardware & sof=
tware release. Upgrading the OS is a simple & straightforward process, & th=
e software guides you through it, but you need to know what older functions=
might be lost when moving to newer gear.