The 24.x releases are very stable and we haven't heard about
v24.6.0 crashing more often (or at all) than prior versions.
Therefore it's hard to remote-diagnose what's the cause for you
without additional information. Can you attach a crash log? Is
there any particular website that causes the crashes? Is your user
profile corrupted? Did you install new fonts or RAM on your systems
recently? Does your installed RAM pass the Apple Hardware Test?
There can be so many reasons.