Pixeled

2019 begins the "Year of the Scam" telephone calls - this time it is from calling to tell you that you are due a refund for JSON and that the company is closing.

1. Microsoft Going our of business would surely make the news, and
2. If they are closing, you think they are going to repay everyone back for unused services? Not likely.

Avoid tech support phone scams
http://www.microsoft.com/security/online-privacy/avoid-phone-scams.aspx

Email and web scams: How to help protect yourself - includes what to do if you
think you have been a victim of a scam.
http://www.microsoft.com/security/online-privacy/phishing-scams.aspx

How to recognize phishing email messages, links, or phone calls
http://www.microsoft.com/security/online-privacy/phishing-symptoms.aspx

No, Microsoft would not call you unsolicited. Nor would they know if any errors existed on your computer. So those are frauds or scams, to get your money or worse to steal your identity.

Avoid scams that use the Microsoft name fraudulently - Microsoft does not make unsolicited phone calls to help you fix your computer
http://www.microsoft.com/protect/fraud/phishing/Msname.aspx

Hoaxes and Scams
http://support.microsoft.com/contactus/cu_sc_virsec_master?ws=support

Microsoft Consumer Support Center
https://consumersecuritysupport.microsoft.com/default.aspx?altbrand=true&SD=gn&LN=en-us&st=1&wfxredirect=1&gssnb=1

Microsoft Support
http://support.microsoft.com/contactus/?ws=support

Microsoft - Contact Support
http://windows.microsoft.com/en-US/windows/help/contact-support

support.microsoft.com