Java Plug-in No Longer Works

After uninstalling jdk 1.4.2 and installing 1.5 I can no longer get the Java Plug-in to come up in either IE or Firefox (I'm on Windows XP SP2). I get a Fatal Error with the message "The Java Runtime Environment cannot be loaded from <\bin\server\jvm.dll>. No amount of uninstalling and re-installing and re-booting has helped. Any ideas?

The message is saying Java is trying to load the server jvm (as opposed to the "standard" client jvm) and fails - presumably because it's not present. As shipped, the JRE - which the Java Plug-in uses - doesn't include the server jvm. The JDK does.
Maybe you altered the default configuration? The jvm.cfg file specifies the default jvm, and is here:
C:\Program Files\Java\jre1.5.0_05\lib\i386\jvm.cfg
The JDK has the server jvm; you can copy its \server\ folder to the JRE, as an alternative.
If you start Java with the command java-version it'll tell you which jvm is being used.

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I love the Kaspersky Pure Password program and us it constantly! After updating my Firefox browser from 4.0 to 5.0... I found that the plug-in for my password program no longer worked!
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Due to security vulnerabilities, rolling back to Firefox 4.0.1 is not recommended. Firefox 3.6.18 would be the safer choice.
Here's the process to roll back:
First, I recommend backing up your Firefox settings in case something goes wrong. See [https://support.mozilla.com/en-US/kb/Backing+up+your+information Backing up your information]. (You can copy your entire Firefox profile folder somewhere outside of the Mozilla folder.)
Next, download and save Firefox 3.6 to your desktop for future installation. http://www.mozilla.com/firefox/all-older
Close Firefox 5.
You could install Firefox 3.6 over it (many have reported success) or you could uninstall Firefox first. If you uninstall, do not remove your personal data and settings, just the program.
Unless you have installed an incompatible add-on, Firefox 3.6 should pick up where you left off. If there are serious issues, please post back with details.
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Java suddenly is no longer working on Firefox, even though it says it is enabled

Just today, I have noticed that Javascript, and anything related to Java will not run on Firefox. I've looked far and wide, uninstalled JavaFX, reinstalled Java 3 times, attempted everything, but no matter what, Java will not work and Firefox will report the Applet is running fine.
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Seems to me that there was an issue like this when Apple came out with the new QuickTime Player v10 which is in your Applications folder and the default quicktime player program on your system.
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Hi, luanna.
This is a long shot but have you checked your iLok? Are the licences still on it? Has it been pulled out of the usb slot or bumped?
I've occasionally had trouble with mine suddenly deciding not to work.
I had to reload the licences from the iLok site and the problem was fixed.
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Issue description
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A.A.

Hello there,
I try to run Java Web Start on my new DELL laptop with
ATI mobility radeon 7500 video card. When I run the
SwingSet2 App, the whole system locks up, so I have to
do a hard re-boot on my laptop. I found that this
problem happens to other DELL laptops when I address
this issue to my co-workers. Nevertheless, this
problem is fixed when I run Java Web Start on some
other desktops that does not use the ATI video card.
Have any of your experience this? Does any know any
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Hi,
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Java Plug-in No Longer Works

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