[Mplayerplug-in-devel] mplayerplug-in-0.4.xpi will not be installed because it does not provide secure updates.

[Zbigniew L. <zb...@o2...>]

Hello,

I try to install mplayerplug-in-0.4.xpi and Firefox3 refuses to install it 
with message:

"mplayerplug-in" will not be installed because it does not provide secure 
updates.

Someone found a fix for this issue?

thank you,
Zbigniew