Cannot play netflicks movies with firefox 4.0.1 on Mac OS X

I update the silverlight plugin and I still cannot play any movies.
MacBook Pro
Mac OS X 10.6.7
Browser: Firefox 4.0.1
Silverlight version: 4.0.60310.0, last update is March 10, 2011
This use to work in previous versions prior to FF 4.0.

n Firefox make sure you have at least two (2) tabs open - (Ctrl+T opens a new tab)
In the address bar of one tab, type "about:config" - minus the quotes, of course
You'll see a warning. Click "I'll be careful, I promise" and continue to the configuration page.
There's a search bar at the top. Type "js" - again, minus the quotes.
In the results you'll see pdfjsviewer.disabled with a vaule of false. Click it once, then right click it and choose Toggle to make the value "True".
Close that tab.
Click Tools>Options and go to the Applications tab
Locate Adobe Acrobat Document (or Portable Document File (PDF)) in the list and click the drop-down to select "Use Adobe Reader (in Firefox)". (Mine doesn't have that because I also have Acrobat Pro installed)
Click OK.
Click Tools>Addons to see that the Acrobat plugin is installed
Close and restart Firefox. PDFs should now open in a browser window with the Reader plugin.
Note: This doesn't work for me since the update to 23 and I should have the choice of Reader or Acrobat plugins. Firefox is trying desperatelt to FORCE users to use their crappy PDFJSViewer, which doesn't handle multimedis or forms PDFs.
As to the NPAPI and security risks, that's blown WAY out of proprotion. There are antivirus companies trying to sell their products to Mac users (who will NEVER need them) and they use this "urban legend" to bolster their case.

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'''Try Firefox Safe Mode''' to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.
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* You can open Firefox 4.0+ in Safe Mode by holding the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
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'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [[Troubleshooting extensions and themes]] article for that.
''To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
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Cannot play netflicks movies with firefox 4.0.1 on Mac OS X

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