Does this work for you?

Miscellaneous Forums/General Discussion/Does this work for you?

I reckon I need to write a little bit of Script as the Registry Key is Actually : Mozilla Firefox > Firefox 1.5 > Stuff > more Stuff > PluginDir. I need to be a bit more intelligent and enumerate the version of Firefox Installed.

You could move npigl.dll to the correct directory manually (ducks).