Microsoft Silverlight Won't Work On Mac

06.04.2020by
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Updated 1:49 PM EST Feb 19, 2020

If you go to the right sites on the Web, it’s 2007 all over again.

  1. Microsoft Silverlight is a free web-browser plug-in that enables interactive media experiences, rich business applications and immersive mobile apps. Silverlight works on all major OS's plus all major browsers, including Firefox, Google Chrome, Safari,.
  2. Oct 12, 2016  Microsoft Silverlight is a cross-browser, cross-platform plug-in for delivering the next generation of.NET based media experiences and rich interactive applications for the Web. Silverlight offers a flexible programming model that supports AJAX, VB, C#, Python, and Ruby, and integrates with existing Web applications.
  3. Our app company is implemented in Silverlight. The app was working correctly, however a fter upgrading to MacOSX High Sierra, if we try to import photos from the library we receive an exception: FileDialogShowDialogFailed. System.Windows.Controls.OpenFileDialog.ShowDialogInternal(Window owner) Any idea?

These special pages won’t land you back in the closing days of George W. Bush’s administration or have Prince once again alive, but they will expect you to use one of the major multimedia plug-ins of that earlier era.

Microsoft Silverlight Won't Work On Mac Download

Jan 24, 2014  Question: Q: Silverlight plugin does not work! Hi, I' ve bought a Macbook pro not so long a go, it's running Mac OS X Lion 10.7.1 but the Microsoft Silverlight plugin does not seem to work, I.

Adobe’s Flash and Microsoft Silverlight once vied for a spot in people’s browsers as the preferred way to play audio and video on the Web. Both were doomed by the rise of the mobile Web and multimedia-enabled, standards-based HTML5 Web design, but companies and sites employing those two plug-ins needed a few years to recognize that.

Silverlight faded first: Microsoft shipped its last major release in 2011, only four years after its debut, and never tried to ship a version for Android or even its own Windows Phone software. That format lost its last major supporter in 2013, when Netflix announced plans to move to HTML5 playback.

Flash hung on longer, even as Adobe’s efforts to make it work in Android sputtered. But a seemingly endless series of Flash vulnerabilities—the software has averaged more than one security patch a month this year—ground away any enthusiasm for it, and in July Adobe said it would retire Flash by 2020.

If a user does not have either product, they will be prompted to install the Skype for Business Web App. Will they be able to join the meeting?Yes. When users join the meeting, they will join on whichever client (Lync or Skype for Business) is installed on their system. Skype without microsoft account mac.

More: RIP Flash: Adobe finally ready to pull the plug

(A third plug-in widely used in the 2000s, Oracle’s Java, ran up its own disastrous security record and faced excommunication from the Web even faster.)

So what could bring a site to continue to support Silverlight or Flash in 2017, and would it plan to switch to Web standards anytime soon? Three of four sites I found suffering from a Silverlight or Flash hangover did not have great answers.

• The Web app that lets Optimum cable-TV subscribers watch the channels they pay for on a laptop, mentioned here last week, demands Silverlight. Asked to explain that, company publicist Lindsey Angioletti wrote in an e-mail that “We are constantly evaluating our current offerings and will make any necessary adjustments to ensure a great customer experience.”

• Intuit’s Mint.com personal-finance app still requires Flash to display graphs of your investments, even though HTML5 can easily handle that work. Company rep Angi Ramos e-mailed that “we’re constantly refreshing the product” but didn’t have “a specific date” for when it would end that Flash dependency.

• Some older versions of Logitech’s Harmony programmable universal remotes employ a Web app for their setup that itself requires Silverlight. Spokeswoman Christina Gregor said in an e-mail that Logitech is “always in the process of reviewing different options.”

Can't Install Silverlight On Mac

• Major League Baseball’s MLB.tv—an early Silverlight adopter that returned to Flash in 2008—still requires that plug-in for its Web player. But that site will move to an HTML5 setup for the 2018 season.

Users of the other three sites and any others that still depend on these dying formats are right to wonder how many more years they’ll need to wait for a modern browsing experience.

But it can’t be that much longer: Google’s Chrome, Apple’s Safari and Microsoft’s Edge all no longer play Flash content automatically. And any site picking a fight with Google, Apple and Microsoft’s default browser settings will not have a long future in the business.

More: A new way to ditch the cable box: Streaming Internet apps

More: Netflix price hike probably not the last for cord cutters

More: New Microsoft Windows 10 update adds to 3D, security

Rob Pegoraro is a tech writer based out of Washington, D.C. To submit a tech question, e-mail Rob at rob@robpegoraro.com. Follow him on Twitter at twitter.com/robpegoraro.

Updated 1:49 PM EST Feb 19, 2020
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Sometimes I hear of people visiting a site that prompts them to install Silverlight infinitely. If they click the button to install Silverlight, the installer downloads and seems to run fine but then when they refresh the page, it just prompts them to install again..

So, what gives? Did the install work or not?

Microsoft Silverlight Won't Work On Mac Computer

I've seen a handful of reasons why this can happen and I'll articulate a few of the most common ones here.

In my experience, this scenario is often due to a bug on the site but not always. So, the first thing to figure out is if it is Silverlight or the specific site.

Try visiting http://www.microsoft.com/Silverlight and see if the Silverlight content on that page loads for you. Currently that site will show a carousel app that shows a few sites that use Silverlight. If you hover over it and right click on your mouse, you should see 'Silverlight' in the right click menu.

If you see a prompt to install Silverlight on that site:

Microsoft Silverlight Won
  • Is it installed? If you are on Windows, check the Programs Control Panel applet and see if Microsoft Silverlight is is listed as installed. On a Mac, check /Library/Internet Plug-Ins to see if Silverlight.plugin is there.
  • Is it disabled? Check your browser's add-ons menu (e.g. in IE click Tools -> Manage Add-ons) and if you find Silverlight in there and it's disabled, enable it and hopefully you'll be good to go.
  • Something else? You might want to try a different browser to see if it is browser specific. You might also try the setup & installation forums on http://Silverlight.net.
    If Silverlight works fine on the Silverlight site but not the site you were trying to visit, you're probably going to have to contact the site author. If you are the site author or you're just curious about what can go wrong, here's a few things that I've seen which causes the infinite install prompt loop.

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Wrong mime type specified on the object tag

At the obvious end of this bucket, a site might specify a totally bogus mime type. This isn't common because the site won't work for anyone, including the developer that posted it but I've learned you can't rule anything out. :)

On the less obvious and far more common end, I've come across a number of sites that were built to target one of the Silverlight 2 Beta releases and they specify the Beta-specific application/x-silverlight-2-b1 or application/x-silverlight-2-b2 mime types in the object tag. We knew ahead of time that the Beta releases would NOT be compatible with the final Silverlight 2 so we gave them special mime types that only work for those Beta releases. We also told people to use a special Beta-specific installer URL so that use of the mime type wouldn't be horrible because the URL goes to a page on mscom/Silverlight that says the site you visited was built against a Beta that is no longer available. But, the infinite install prompt rears its ugly head when sites use the Beta mime type but link to the currently released Silverlight installer instead of the link we asked them to use.. Installing the currently released Silverlight runtime doesn't register the Beta mime type so you just get prompted again. If you have or find a site like this, tell the site author to either take the content down or update it to work with an officially released version of Silverlight.

Required version is too high

This one also has a couple variations.

Again starting at the obvious end, I've seen sites with HTML or javascript that checks to see if you have a version of Silverlight that doesn't exist yet and prompts you to install the current release if you don't already have it. Usually this happens because of a typo such as specifying a minRuntimeVersion of '20.31005' instead of '2.0.31005' (2.0.31005.0 was the Silverlight RTM version). No matter how many times you install Silverlight 2, you'll never have Silverlight 20 and so the site will keep prompting you to upgrade. As before, this one is rare because the site can't work for anybody including the developer that built the site. But, sometimes people make a quick edit that they know can't possibly break anything so they don't test the change and end up with a typo or cut & paste bug..

The more common variation of this category is a site that is built against a Beta or Release Candidate that isn't publicly released to end-users. This has happened a handful of times with the Silverlight 3 developer preview release that was made available a few months ago. The site requires the Silverlight 3 Beta and so it prompts you to install Silverlight or upgrade to the latest release if you don't already have Silverlight 3 installed. If it specifies a minRuntimeVersion of '3.0.x.x' it might cause your currently installed Silverlight 2 runtime to prompt you to upgrade (a 'real' dialog that isn't html) or maybe they prompt you with their own web ui to install. Either way, when you click to install/upgrade it just installs Silverlight 2 again because that's the latest release that is publicly available. There's a couple bugs here. One bug is that the built-in prompts from Silverlight 2 don't tell the website what version of Silverlight was required so the website can't do something intelligent. That bug is our fault and I'm happy to say we've [mostly] fixed it in Silverlight 3 so when Silverlight 4 beta sites start showing up in the wild hopefully we won't see this issue as often. The other bug is that the site author posted a Silverlight application built for an unreleased Beta on the Web with an installation/upgrade UI that doesn't work because the unreleased Beta the site requires is by definition not yet released. If someone tells you to check out a Silverlight application built for an unreleased Beta they should tell you what you need to install and where to get it before telling you to go to their site. Unfortunately, since the site developer has the unreleased Beta installed they don't see the problem and so they don't 'do the right thing' before publishing it live.

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