Silverlight 64-bit Compatibility - by SkipFire

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		This item may be valid but belongs to an external system out of the direct control of this product team.<br /><br />
		A more detailed explanation for the resolution of this particular item may have been provided in the comments section.

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ID 388870 Comments
Status Closed Workarounds
Type Suggestion Repros 12
Opened 12/18/2008 4:22:36 PM
Access Restriction Public


I would really like to see a silverlight framework compatible with 64-bit IE.

I know the argument that IE32 is the default browser on 64-bit Windows, but there are a lot of us that change our default browser to IE64, and for some of us geeks that like to type "iexplore"  from the run prompt rather than click IE32 from the menu end up with IE64 running.  Supporting IE64 when Flash does not would also be a good marketing edge.

Microsoft has been making a big push towards 64-bit computing, especially considering that many of the server applications are now only available as 64-bit.  I like the move to 64-bit computing, but until Microsoft does it across the board how can anyone else be expected to do so?
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Posted by Getmore A on 1/4/2012 at 1:48 AM
Silverlight 3.0 won"t be fixed.. but what about current version of SL? Adobe has allready Flash in 64bit version...
Posted by Vitaminb on 3/26/2011 at 7:06 PM
It's definitely time to have silverlight work with 64 bit IE, it's rather silly that 64 bit Windows has been in existence for a long time now, yet it isn't really feasible to use the 64 bit browser since there are still several technologies that don't work with 64, including silverlight - a Microsoft product, that's really disappointing.
Posted by J_m on 11/9/2010 at 5:42 PM
This should bug report should be re-opened because 64-bit will happen. Until then it's a problem. The main reason IE x64 is not my default browser is because Silverlight is not x64 (and Flash x64 seems to crash a lot).

IE was the first popular x64 browser; it would be good to be out with an official version of Silverlight x64 sooner than Adobe can get Flash Player x64 out. 64-bit Windows is about 7 years old now if I'm not mistaken, it's not something new.
Posted by EmptyString on 7/27/2010 at 5:09 AM
Where I work, we tried to write an Autodesk Revit plug-in that would use a Windows Forms WebBrowser control to display a Silverlight application. Our web application is already in Silverlight, so we thought we could use the WebBrowser control to avoid having to duplicate or port a lot of code. (The Revit plug-in was supposed to retrieve data from our servers anyway.)

However, on a 64-bit OS, Revit always installs as a 64-bit program. There is no way to install 32-bit Revit on a 64-bit OS. When 64-bit Revit loads plug-in DLLs, they are jitted to 64-bit. When a plug-in uses a WebBrowser control, it uses 64-bit IE.

Then there is no Silverlight!

This is a blocking issue for us. Please consider fixing this for a future version of Silverlight. It ought to be "just a recompile" for you guys.
Posted by Juanjose on 4/2/2010 at 9:35 AM
Hi Andy,

Your last comment dates back a year ago. I hope your team has been able to work on this, since your main competitor, adobe, is getting ready for x64 Flash coming this summer. You could be out of business definitely if there is no x64 pluggin for silverlight.
Posted by xtreemneo on 4/20/2009 at 9:11 PM
MS should bring out VS 64 BIT support. that would be the coolest part
Posted by Microsoft on 4/16/2009 at 4:04 PM
Thank you for your valuable feedback. Unfortunately, looking at our priorities we have decided that will not be able to fix this issue Silverlight 3. We are considering this for future versions of Silverlight.

I'm going to go ahead and resolve this suggestion as won't fix. If you have any questions or comments feel free to reactivate this bug.

Andy Rivas
Posted by jon parker on 3/19/2009 at 8:40 AM
one more example of how things don't "just work" on windows. Come on, stop increasing confusion and support increased ease of use.
Posted by taoxv88 on 2/2/2009 at 7:15 AM
I totally agree, and think that MS should make x64 versions of all their flagship apps if they really want to start having a true x64 OS. If MS were to make a bunch of their web apps x64 I think they could one up Adobe in the whole Flash vs silverlight battle.
Posted by Daniel Smith on 12/19/2008 at 8:11 AM
Microsoft really needs to do more to push 64-bit. How about if MS *strongly recommends* to all it's OEMs that they ship a 64-bit OS by default? I bet people would soon switch over if they knew that even newbies are running 64-bit!

MS also need to make significant effforts to release 64-bit versions of their flagship products - Silverlight, Visual Studio, and Office, etc. and drive the industry forward.