Huzzah! I just got cold-called by a "Windows tech support" scammer outfit and successfully wasted 34 minutes of their time before they figured out I'm not running Windows!
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Remember that Microsoft will never call you about "sending us errors." If anyone calls claiming to be from "Windows" or Microsoft, just hang up, don't do what I did.
Read more on Microsoft's support site: https://support.microsoft.com/en-us/help/4013405/windows-protect-from-tech-support-scams
Also, the scammers who called me directed me to a remote desktop software site offering downloads for a wide variety of OSes, not just Windows: MacOS, Linux, Android, iOS, FreeBSD, Raspbian, & ChromeOS. Don't do what I did without carefully thinking through every click & every word.