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Microsoft Silverlight For Mac Not Working

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Microsoft Silverlight is an already deprecated application framework used for writing and running rich internet applications. It can be likened to Adobe Flash. Its early versions centered on streaming media, while later ones supported multimedia, graphics, as well as animation. The latter also provided developers with support for CLI languages along with development tools.

If you're constantly being prompted to upgrade Silverlight when you try to watch Netflix on your Mac computer, it typically points to an outdated browser plug-in. Follow the troubleshooting steps below to resolve the issue. Use an alternate browser Download the current version of Silverlight Was this article helpful? Locate the 'Install Silverlight' area in the lower-right part of the window. If you are running an Intel processor, click Mac Runtime next to 'Silverlight 3.' Otherwise, click Runtime for Mac PowerPC next to 'Silverlight 1.0.' After the download is completed, installation should start automatically. Follow the steps in the installation wizard.

Industry watchers were quick to observe Silverlight's death as early as 2011. The following year, Silverlight fell out of favor and Microsoft deprecated it for HTML5 in Windows 8. Before 2015 ended, everybody knew that it was doomed, but the company remained largely unclear about its future.

Some Mac users, however, probably wonder: is Silverlight needed on Mac? Should they still install and enable it on their machine? Here are a few answers to burning questions about the technology near its demise.

What Is Silverlight?

Now in Silverlight 5, the program is defined on the Microsoft site as a 'powerful development tool for creating engaging, interactive user experiences for web and mobile applications.' The free plugin is powered by the .NET framework. It is compatible with different browsers, devices, as well as operating systems.

The multiple perceived uses and benefits of Silverlight include:

Mac
  • Media – It is hailed for the highest-quality interact video experiences both live and on-demand across various formats. This, while it protects content.
  • Business – It enables users to create business apps that offer richer and deeper interactivity, harnessing the tools and skills developers are already equipped with. It is poised to eliminate the IT challenge of deploying across multiple browsers and OS.
  • Mobile – It seeks to build touch-based apps quickly through familiar tools. The aim is to distribute via the Windows Phone Marketplace.

End-of-Life Timeline

From its initial launch back in 2007, Silverlight was already compared to Adobe's Flash. It helped provide video streaming for different events, including the NBC coverage of the 2008 Beijing Summer Olympics, the 2010 Vancouver Winter Olympics, and the 2008 conventions for the two U.S. political parties.

Silverlight was also harnessed for the video streaming services of Amazon Video and Netflix. Since getting wind of Silverlight's end of life, however, Netflix announced in 2013 that it was moving to HTML5 video.

In a July 2015 blog, Microsoft encouraged companies using Silverlight for media to start transitioning to DASH/MSE/CENC/EME based designs. It set October 2021 as the overall support end date for Silverlight 5. Usb reader writer.

Here is support information for various browsers and programs:

  • IE9 to 11 – Until late 2021, depending on the operating system
  • Google Chrome – No longer supports it since September 2015
  • Mozilla Firefox – No longer supports it since March 2017
  • Microsoft Edge – No plugin is available
  • macOS – No support since Firefox 52, Safari 12, and Chrome 45

How to Enable Silverlight on Mac

If you are a Mac user and, by any chance, you find that you still need Silverlight, there are still ways to install and enable it on your computer. Don't expect to have an easy time with it, though.

A user on macOS High Sierra, for instance, finds that Silverlight works on Safari until he gets to Safari 12. He has updated to Mojave at the same time. Upon further research, he discovers online that Safari no longer supports Silverlight, yet he couldn't see any information about Mojave blocking apps from using the plugin.

Is it time for them to quit Silverlight altogether while staying on Mojave, or roll back to High Sierra to use the plugin again?

One handy solution is to stick to usingFirefox 52.9.0 ESR, which appears to work fine with Silverlight.

Now, it's time for us to dig deeper into the issue of Silverlight for Mac not being recognized, or if you are continually prompted to install it. You're likely having this problem when you receive an error message (stating an install is needed) whenever you try to access a website requiring Silverlight to display content.

This can be caused by different reasons, including:

  • An earlier version of Silverlight is in your system. However, it doesn't meet the requirements for the plugin the site is using.
  • The plugin is actually not installed.
  • Your browser is set to 'Run using Rosetta.' This will lead your machine to be incorrectly identified as a PowerPC-based Mac.

Before troubleshooting, try to assess the current environment in which the software runs. It also helps to clean out junk and other nuisance files that could be getting in the way of your Mac's stable operations. A reliable third-party Mac optimizer tool gets this done.

Next, follow these steps:

  1. On the Apple menu, choose About this Mac.
  2. Note the processor type, speed, RAM, as well as operating system information. Certain sites have particular requirements in order for you to view their content.
  3. Close the window. Next, close all open browser windows.
  4. On the desktop, double-click the hard drive icon.
  5. Next, double-click the Library folder.
  6. Open the Internet Plug-ins folder.
  7. If you find a file named Silverlight.plugin, the plug-in is installed. To know the version, select the file and choose Get Info on the File menu. Note the displayed version number.
    • If the version number displayed is 1.0.xxx and your processor type is a PowerPC: The right version of the plugin is installed.
    • If you have an Intel processor: All versions of Silverlight are supported. You are recommended, though, to run the latest version. This way, you can access sites using the latest features and benefit from the latest product improvements.

Here are the solutions you can try for each of the three potential causes of the problem.

An Earlier Version of Silverlight Is in Your System

Typically, the website uses Silverlight 3 for its content to properly show. If this is the case, it looks at whether your system complies with the requirement. If your system doesn't, you are directed to an upgrade on the Silverlight site. If, on the other hand, you're using a PowerPC, the site knows this and only version 1 can be installed. Discuss this situation with the site's support team.

The Plugin Is Actually Not Installed

Follow these instructions:

Microsoft Silverlight For Mac Not Working Iphone

  1. On your browser, visit http://silverlight.net/getstarted/.
  2. Look for Install Silverlight in the lower-right section of the window.
    • If you are running an Intel processor, click Mac Runtimefound next to Silverlight 3.
    • If not, click Runtime for Mac PowerPClocate next to Silverlight 1.0.
  3. Once the download is complete, installation will automatically begin. Follow the steps outlined in the installation wizard.
  4. Once installation is complete, you will be prompted to exit your browser. Close your browser windows and restart the browser. By this time, it should recognize the new plug-in.

Your Browser Is Set to ‘Run Using Rosetta'

Follow these steps:

  1. On the desktop, double-click the hard drive icon.
  2. Select the Applications folder.
  3. Look for the icon for the browser that you are using. Make sure to hold down the CTRL key while clicking the icon.
  4. Choose Get Info.
  5. Locate the Run using Rosetta option. This check box should not be selected. If it is, then untick the check box. Close the window.
  6. Click Restart on the Apple menu.
  7. After your computer reboots, try to access the website that generated the error message.

Note that if the right version of the plugin isn't installed, you should ensure that the Run using Rosetta check box is not selected as well. Afterwards, follow the steps in the last section to install the plugin.

Final Notes

Is Silverlight needed on Mac? Only you can answer this question, depending on your needs and preferences. Silverlight 5 is on life support until October 2021, at which point Microsoft will cease to support it.

Try one of the fixes we provided above if you need to install and enable Silverlight on your Mac for whatever reason you find necessary.

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This makes a lot of content immediately available to Microsoft Edge users also. To activate the Silverlight plug-in in Internet Explorer 11 you first need to download and install Silverlight on your computer. Download Silverlight from Microsoft.

Silverlight Plugin not found on Mac OS Mojave using Firefox ESR 52.1.0

In the upper right corner of Internet Explorer, you will find the wrench icon, this is the menu. Now the Silverlight plug-in for Internet Explorer is activated. By default, Silverlight is no longer supported by Chrome. However, it is still possible to use Silverlight in the Google Chrome web browser. You will need to install a browser extension for this.

Microsoft Silverlight Compatibility

Download IE tab browser extension for Google Chrome opens in a new window. The IE tab browser extension now asks you to install an ietabhelper executable.


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This ietabhelper file is needed to display Internet Explorer in Google Chrome. Click on the file it will be installed automatically. You are now asked if you want to install Silverlight on your computer. Download and install Silverlight on your computer. After that, the Silverlight plug-in will be available for use in Google Chrome.

To change the options of the IE tab extension to Chrome, right-click on the IE Tab extension in the upper right corner of the Chrome menu on the extension. Then select Options from the menu to change the settings for the IE tab extension. Unfortunately, after version 56 of Firefox, it is no longer possible to install Silverlight in Firefox. In version 56 there was still a method to activate NPAPI plug-ins, but this method does not work anymore.

The only way you can still install Silverlight in Firefox is to install an older version of Firefox on your PC. After that, you will need to disable automatic updates in Firefox. An older version of Firefox can be downloaded here. This is not recommended, use Google Chrome instead. Download Silverlight to your Mac and install Silverlight by following the installation process. Then click on Safari in the top left menu and select Preferences from the menu. Open the Websites tab and in Plug-ins activate Silverlight for the desired web page.

In Safari version 12, for Mac Mojave It is, unfortunately, waiting until Microsoft provides support for Silverlight in Safari 12 until then you can best use Google Chrome and the IE tab plugin.

Share this article online! XAP containing a list of one or more. NET managed assemblies. DLL files along with the AppManifest. XAML file containing this list along with the entry point class and assembly. It can be hosted in any HTML file using an object tag, for example:. A Silverlight project contains the Silverlight. Silverlight applications are debugged in a manner similar to ASP.

NET applications. In conjunction with the release of Silverlight 2, Eclipse was added as a development tool option. An April PC World report suggested that Microsoft intended to release certain parts of Silverlight source code as open source software, [63] but a week later Sam Ramji, director of platform technology strategy at Microsoft, contradicted the rumors by confirming that the company had no plans to open Silverlight.

Silverlight's proprietary nature is a concern to competition since it may harm the open nature of the World Wide Web. Advocates of free software are also concerned Silverlight could be another example of Microsoft's embrace, extend and extinguish strategy. The Mono Team abandoned development of Moonlight , a free and open-source implementation of both the Silverlight 1 and 2 runtimes.

Silverlight does not work on Mac

The project had been officially supported by Microsoft which, [49] under an agreement with Novell , made not-publicly-available additional specifications, access to the Silverlight Base Class Library APIs, binary codecs and test cases available to the Mono team. The ' covenant ' under which Novell was granted this exclusive access also specified conditions incompatible with the licensing that covers most free and open source software.

As examples, it specifically required that the software must have been 'obtained directly from Novell or through an Intermediate Recipient' and that it must be 'not licensed under GPLv3 or a Similar License'. Silverlight was criticised for not living up to its cross-platform operating system compatibility promises, especially on Linux systems, compared to its extensive support on Apple and Microsoft desktops for Internet Explorer, Firefox, and Chrome.


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Although Microsoft was officially collaborating on the Moonlight project, Bruce Chizen , CEO of Adobe Systems , which sells the competing proprietary Flash platform, questioned 'the commitment of Microsoft to keep the Silverlight platform compatible with other OS besides Windows '. In , California and several other U. The final judgment on the motion extended the settlement two years, to November , but for reasons unrelated to Silverlight.

From Wikipedia, the free encyclopedia. Application framework for writing and running rich Internet applications. For other uses, see Silverlight disambiguation. See also: XAP file format. Main article: Moonlight runtime. Main article: Microsoft Silverlight version history.

Microsoft Silverlight

Microsoft Silverlight For Mac Not Working Key

Microsoft Corporation. Retrieved January 15, Microsoft Silverlight product page. Retrieved November 4, Retrieved March 1, Retrieved October 1, The Register. Retrieved February 4, The Guardian. Retrieved July 24, Retrieved February 23, Archived from the original on May 19, Retrieved July 18, Archived from the original on May 29, September 13, Scott Barnes.

Retrieved August 20, Retrieved February 5, Retrieved March 17, W3Techs Technology Surveys. Retrieved February 19, MSDN Blogs. Retrieved March 9, Retrieved October 6, Retrieved May 25, May 7, Archived from the original on March 9, July 6, Archived from the original on March 2, Retrieved June 15, October 8, Retrieved December 13, Firefox Site Compatibility. October 4, Retrieved March 8, November 24, Retrieved March 31, Retrieved March 7, Retrieved December 24, Archived from the original on July 21, Retrieved May 2, Retrieved September 5, September 28, Miguel de Icaza.

Microsoft Silverlight For Mac Not Working Mac

Installing and running Silverlight on MacOS High Sierra - Firefox

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September 5, Retrieved November 9, We will be supporting Firefox and Linux initially that is our first goal but we are looking forward to work with developers from other operating systems BSD, Solaris and other browsers Konqueror, WebKit and Opera to ensure that Moonlight works fine on their systems. March 5, Arch Linux Wiki. Archived from the original on February 10, March 4, Archived from the original on June 15, Retrieved March 4, November 19, Retrieved August 26, Version 1.

Silverlight for Windows Phone OS 7. Retrieved January 22, Retrieved June 8, Retrieved October 14, Retrieved April 29, Retrieved May 5, International Herald Tribune. Retrieved January 11, Others take a darker view of Microsoft's intentions and argue that Silverlight is simply a rehash of the company's s-era 'embrace and extend' strategy for pre-empting Web competition. Archived from the original on December 27, Companies building websites should beware of proprietary rich-media technologies like Adobe's Flash and Microsoft's Silverlight, the founder of Mozilla Europe has warned.

Microsoft Silverlight For Mac Not Working

Retrieved December 11, Adobe Systems Inc. Archived from the original PDF on May 31,





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