Re: Firefox pdf plugin suddenly broken

[Andrew Schulman <andrex@alumni.utexas.net>]

>> If you don't have the mozplugger package installed, try installing it.  That 
>> might fix it for Firefox.  Make sure you have a symlink in your 
>> mozilla-firefox plugins directory that points to mozplugger.so
> 
> I tried using mozplugger and in my case it stopped acroread (as plugin)
> from working. When I installed acroread, mozilla-acroread and
> acroread-plugins and things went back to normal.

I also had this experience:  once I uninstalled mozplugger, my PDF
plugins worked again.

In general this problem seems to come up a lot, and I've never seen any
consistent solutions posted.