How do I stop windows from interrupting my work?

It takes over my screen and says (by sound) that I can win an Iphone or whatever. And the only way to get rid of it is by leaving the page I was working on.
It's pretty annoying, so what can I do?

It sounds like you have a virus or malware. Go to the site below click FreeStuff and then run "TrendMicro" or Panda Antivirus they are free and will fix it… Sorry that happened to you.

You can go into your browser Internet Explorer settings and uncheck play web sounds and uncheck automatically play videos then click apply you will have to make Internet Explorer your default browser in order to do this

You have a redirect virus that opens internet pages behind the ones you have open some are rootkits, download malwarebytes and run it

Window has to stop inturupting my work in process constant wanting to purchase an app already comes with my pc its defaults with a window invasion and windows can't use any soft ware i purchase interrupt it once its noted and requesting i purchase what the have to offer and even take defaults from my softwa

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