User Help for Mozilla Firefox
Here's a tip:
If you install the latest Java Runtime (Java 6 Update 11), it automatically installs an add-on in Firefox without asking you. It's called Java Quick Starter. You can't uninstall through Firefox. Go to Control Panel, double click Java. In the Java control panel, click the Advanced tab. Click the + in front of Miscellaneous and uncheck the Java Quick Starter box to remove the add-on.
Last edited by LoudNoise on February 2nd, 2009, 2:30 pm, edited 2 times in total.
What is the purpose of the Java Quick Starter add-on for Firefox?
I don't see doing that removes the add-on, disables it yeah, but it's still there in 'extensions' and clicking 'uninstall' doesn't work here?
Don't see it in the profile extensions folder either.
It completely removed it from my FF installation. Did you restart FF?
Yeah, it only goes away if Java's uninstalled.
Did you do a clean install of Java or did you update? I did a clean install.
Yeah, also noticed with the 'next generation' plug-in activated the java console in tools doesn't work, also after uninstalling it left a file in about:plugins.
Not sure why Firefox needs the add-on but I found this on Java Quick Starter:
Java(TM) Quick Starter for JavaSE 6u10
According to a post by jpj-fr in this thread, the Java Quick Starter Firefox extension is installed via the Windows Registry, (HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Firefox\extensions\). There's some information about uninstalling such add-ons here:
There's a bug on that:
Bug 460244 - Unable to open Java Console after installing JRE6u10
What was the name of the plugin file?
Just remove it from registry.
Now it's ok to me.
It seems from my 2 computers, one XP and one Vista, and from the information posted by Alice, that the Java Quick Starter add-on is only installed on XP systems, not on Vista systems as Vista has its own prefetching method.
Is this correct?
I'm not 100% sure but I believe it was this one: npdeploytk.dll, also unchecking 'enable next generation plugin' pretty much doubles the amount of files in about:plugins, check it and they go away.
Thanks for the heads up Alice.....I hunt
@^ It's also installed on Win2k.
I found some information on the "next generation" plugin in the Java 6 Update 10 release notes. Apparently when you disable the "next generation" plugin it enables the "old style" Java plugins (I'm still using JRE 6 Update 7 and I have seven Java plugins in about:plugins.)
I can confirm npdeploytk.dll was the Java plugin left behind after uninstalling Java 6 Update 10.
Went back to Update 7 after discovering the Java Quick Starter was repeatedly activating (checking) itself after I'd unchecked it in the Java control panel! (with the Add-On disabled)
Java Quick Starter also showed up in Win Patrol 'services' under startup automatic.
Oh.....the Add-On is gone.
Thanks, I appreciate that information, which may come in handy. Here's what I found out:
The Java 6 Update 10 release notes say, under Next Generation Java Plug-in, that the new plugin implementation, among other features, has
ability to select a particular version of the Java Runtime Environment for an individual applet.
The release notes link to https://jdk6.dev.java.net/plugin2/ for more information, where it says that the new Java Plug-In for Firefox is npjp2.dll on Windows (libnpjp2.so on Unix platforms).
Someone here posted a list of installed plugins, which included:
*Java(TM) Platform SE 6 U10: npdeploytk.dll - Java(TM) Platform SE binary
*Java(TM) Platform SE 6 U10: npjp2.dll - Java Plug-in 1.6.0_10 for Netscape Navigator (DLL Helper)
I did a google search on npdeploytk.dll and found a JavaWorld article, The new applet experience - Applet development with JavaFX Script and Java SE 6u10 which says,
As I figure it, npdeploytk.dll is used when a webpage is coded to call for it, to get information on installed JRE versions and possibly select which one to use or prompt you to install a needed JRE.
I found that npdeploytk.dll can cause Firefox 3 to crash on Vista, if it's left behind after you uninstall Java:
Sun's Bug ID: 6720641 Firefox 3.0 crashes with Deployment Toolkit in UAC enabled Vista
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