Mozila fire/thunderbird & plugins - inactive prefrences ?!

So im using Mozila Firbird quite happy, and thunderbird for mail. I also have MSN msnger plugin (doesnt work but thats a diffrent matter) GoUp plugin chatzilla and calendar. Now the Prefrences menu is the same for each, just with a tree menu to the left for each plugin, thing is though the tree menu works it doesnt change the prefrences screen whe I click on any part, and the ok button doesnt work!

I was just wondering if anyone else has experienced this ?

Sorry man …

I use good ol’ Internet Explorer!

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