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Will Firefox 5.0 run on the Pentium 3 processor which I have and if not can the new security and stability upgrade be applied to Fireox 4.0 please?

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  • 15 have this problem
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  • Last reply by raphaelem

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I have just received a notification that 'A security and stability update for Firefox is available: Firefox 5.0. It is strongly recommended that you apply this update for Firefox as soon as possible.' However, the system requirements indicate the need for a Pentium 4 processor or higher, capable of SSE2. Yet, my computer has a Pentium 3 processor. Will Firefox 5.0 run satisfactorily on a Pentium 3 processor? If not, can the security and stability upgrade please be applied to Firefox 4.0, which does work on my computer?

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You could always try it out. If it doesn't work, it doesn't work. If it doesn't then I recommend going to 3.6.18, which has the same security fixes as Firefox 5, because if you stay with 4, your security may be compromised.

Download 3.6.18

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Thanks NicHelps for your suggestion. I didn't want to go back to a previous version which I was not so happy with, but was cautious about losing the use of Firefox by attempting to upgrade to version 5.0 - which apparently requires a higher spec than my system has available. As a result of the second reply below, however, I discovered that Firefox 4.0 also has the same higher-spec requirements as Firefox 5.0. So, since 4.0 has worked OK, I have now upgraded to 5.0 and this works OK, too. All I can assume is that despite the spec provided, the Pentium 3 installed in my Gateway 866 Performance System computer does have the required capability.

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___ Will Firefox 5.0 run on the Pentium 3 processor which I have and if not can the new security and stability upgrade be applied to Fireox 4.0 please? ___

No problem, I've a P3 800Mhz and the firefox 5 is working with no problem, no viruses 'till now and the speed is good, not excellent but good.