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Keep getting an "install rdf" message

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AnonymousUser
AnonymousUser
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I keep getting the following message when starting up Firefox...........Firefox could not install this item because "install.rdf" (provided by the item) is not well-formed or does not exist. Please contact the author about this problem.

This happened

Every time Firefox opened

== after I updated firefox

I keep getting the following message when starting up Firefox...........Firefox could not install this item because "install.rdf" (provided by the item) is not well-formed or does not exist. Please contact the author about this problem. == This happened == Every time Firefox opened == after I updated firefox

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cor-el
cor-el
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See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems

Your plugins list shows outdated plugin(s) with known security and stability risks. 

# Java Plug-in 1.6.0_13 for Netscape Navigator (DLL Helper)

Update the Java plugin to the latest version. See http://java.sun.com/javase/downloads/index.jsp#jdk (you need JRE)