Inside the System Preferences menu, scroll down through the list of available options and click on the Software Update icon.If you have pending updates, you will likely notice a red circle next to it.

Use the action bar at the bottom of the screen to click on the System Preferences icon.Here’s a quick guide that will show you how to update to the latest build available: Some affected users that were previously encountering the same issue have confirmed that the plugin installed successfully after they installed every pending update from System Preferences. In case the issue is occurring due to that bug, you should be able to get the issue resolved by updating your macOS firmware to the latest OS version compatible. Updating macOS version to the latest versionĪccording to Apple’s engineers, this issue was fixed via a couple of fixes released right after macOS High Sierra version 10.13.5. This will bypass the use of the plugin, and it will allow you to join and host meetings inside the Skype for Business platform. The most effective fix for this issue is to install the standalone version of Skype for Business app for macOS. But keep in mind that this doesn’t solve the root cause of the issue and it will not allow you to host meetings (only join them via email or calendar). If you’re looking for a quick workaround, then installing the Skype Meetings app and using that to join meetings should do the trick. Skype For Business Web App Plugin Won’t install on SafariĪs it turns out if you haven’t updated your Mac version to the latest version, the issue might occur due to a bug that Apple has since patched – the fix is automatically included with versions newer than macOS High Sierra version 10.13.5. If this scenario is applicable, you should be able to fix the issue by updating your macOS firmware to the latest version compatible. Affected users are reporting that they are seeing the Application ‘Skype Meetings App’ can’t be opened every time they try to install the plugin needed to join or host live calls. A lot of macOS users are encountering unable to install the Skype for Meetings app in order to join or host meetings inside the Skype for Business Web platform.

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