FF doesn't like JRE 6

User Help for Mozilla Firefox
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Joined: December 2nd, 2002, 12:13 pm

Post Posted January 10th, 2007, 1:28 am

Just upgraded a couple of XP boxes from FF 1.5.x to and from JRE 1.5.x to JRE 6, and after I did that, FF complained that JRE 6 was incompatible with FF and disabled it. I had to nuke JRE 6 and re-install 1.5.10 to get Java pages (like the Secunia Software Inspector) to work.

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Post Posted January 10th, 2007, 1:46 am

I got a similar warning when upgrading from Firefox 1.5.* to about Java console will be disabled, but afterwards with Firefox, Java still worked fine. In the past, for me if Java ever stopped working, uninstalling and reinstalling Java usually fixed it.
Firefox isn't released yet is it? The current 1.5.* is


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Post Posted January 10th, 2007, 4:10 am

No, 1.5.0_10 is out. However, I've had no trouble with 1.6.0 in any of my Firefox builds; though I've heard some others have had problems.
Win 10 Home x64, Linux Mint 19.1 MATE x64, AMD A8 5600K APU 3.6 GHz (3.9 Turbo), AMD Radeon HD 7560D (integrated graphics). G.Skill Ares DDR3-2400 (running at 2133) 8GB, Firefox 77.0, Developer Edition 78.0b1(Win only), Nightly 79.0a1x64 (Win), Nightly 78.0a1 (Linux AMD64) .

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Post Posted January 10th, 2007, 4:16 am

You can safely ignore that warning. It's not JRE 6 which is incompatible but just a tiny extension shipping with the JRE which adds one menu item to the Tools menu. If you're no Java developer, you won't miss anything at all.

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Post Posted January 12th, 2007, 7:32 am

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