If you have been using the PC / Laptop for a year, then you will have definitely encountered instances where you will have to restart the PC / Laptop for the settings of the new installation to be effective. This is Microsoft's Lousy Way of Development and that is what they have enforced it across the World for 2 decades. See Screenshot of Adobe Client being updated and how I had to restart the PC. Click image for larger version

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Now Welcome to the new world of Meteor JavaScript Framework where changes done by Developer in the Code Base of the Application, are pushed on to the Consumer in Real Time without even the consumer having to Close and Restart the Application, forget restarting the entire Device that has the application.

Now isn't this enough proof that Open Source is a breeding ground for Innovation ?