you are using Y and I am using X
about association picture on your previous post:no it is not like that here with your plugin.anyway, not important to me, As I wrote, I am fine with all.
You have checkbox - set as default browser??
Are You using my Firefox
show control panel DEFAULTS please
And I have boiled down the registry to this - for testing..again using the Opera method - Once again this works for me..
Firefox support .MHT and .MHTML - But requires an add-on XPI
right click on a .html file..
And ChrisR, I see the container upload..Where is the actual revised plugin