M Safari will not connect to the web. Firefox will.

Use Firefox to download this app.

Please run EtreCheck and post the report here.

http://etresoft.com/etrecheck

Download it, open Downloads folder, click on it to open and select ”Open”.

Select a problem from the “Choose a problem” popup menu box and then “Start EtreCheck” in the dialog.

Click “Share Report” button in the toolbar, select “Copy to Clipboard” and then paste it when you reply.

What exactly happens when you try to connect? Is there an error message?

Safari - Unsupported third-party add-ons may cause Safari to unexpectedly quit or have performance issues

Safari doesn't load a page or webpage items are missing

Safari/other browsers – Website not loading