Running auto updated Firefox 17.0.1 on Windows 7. I used to be able to stream Netflix just fine until late in the evening, 11/30/2012. I tried to stream a movie and Netflix showed a window saying it couldn't due to a problem using Silverlight, code 2103. Netflix suggested I remove and reload Silverlight. I did, twice. I also updated Firefox yesterday, just in case. Still, no joy. I can stream Netflix just fine with Internet Explorer. What gives?
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I had this problem Netflix too. Here's a sure fix for MAC users:
* Silverlight.plugin * WPFe.plugin
This removes a bad install of Silverlight and starts fresh. Definitely works!
OK, I hope this works for you because it just worked for me. Go to tools, options, security and click on remember history. I did that and restarted my computer, logged into Netflix and now it's working, hooray! I hope it works for you.
I am using Windows 7 64bit Ultimate and for some reason I had a problem that I have seen many people on here was having and was blaming Firefox's Plugin Container when watching Netflix or anything using Microsoft's Silverlight. But it isn't the Container that is causing the "Silverlight Plugin Has Crashed" problem. I just talked to Microsoft about it and found the solution on fixing it. The problem is the Computer Browser.
You go to "run", then type in "SERVICES.MSC" when that pops up scroll down to "Computer Browser" highlight it then in the left hand side at the top you will see "Restart the service". That's it. Restart computer. Now Firefox will play Silverlight.
I have read so many posts about this with people coming up with all sorts of things to try to fix this, but none has worked....for me anyway.
So do this and I'm sure you'll be happy again.