13:11:38+02 Horemanss-MacBook-Air installd: PackageKit: Executing script './preinstall' in /private/tmp/PKInstallSandbox.vRhzX1/Scripts/ 13:11:37+02 Horemanss-MacBook-Air installd: PackageKit: Extracting file://localhost/Users/BE07799/Downloads/SkypeForBusinessPlugin.pkg#SkypeForBusinessPlugin.pkg (destination=/var/folders/qr/8502gfwj4z1g6wrh3圆ydny40000gn/C/PKInstallSandboxManager/653E585A-B98A-4E1D-B0BD-B622EE18BFA1.activeSandbox/Root/Library/Internet
13:11:37+02 Horemanss-MacBook-Air Installer: -: file://localhost/Users/BE07799/Downloads/SkypeForBusinessPlugin.pkg#SkypeForBusinessPlugin.pkg 13:11:37+02 Horemanss-MacBook-Air Installer: SkypeForBusinessPlugin.pkg#SkypeForBusinessPlugin.pkg : : 15.8 13:11:37+02 Horemanss-MacBook-Air Installer: Upgrade: 'Skype for Business Web App Plug-in' However i don't have such a folder at all. In the install log file i can find some errors related to a permission denied. I tried several browsers (Safari, Chrome, Firefox) but always the same issue.
However this fails, not reporting the reason why. I had to participate in a Skype meeting and therefore needed to install the plugin.
