Who called me from this phone number (800) 839-7940

I received a notification 5/21/19 on my computer that blocked all access and wouldn't allow me to exit, purportedly from Microsoft, that my computer had been hacked, to call 800-839-7940. I called and was told a malicious virus had been introduced and if I didn't follow instructions, my IP address would be blocked. I was asked to cooperate in granting access to my computer, which I refused. My virus detection LATER warned me this was a malicious site on my computer. This is the third similar event since Saturday.

May 22, 2019  ⚠

Do Not Call and Robocall Complaints

FTC Data

At least 36 consumers from Arizona, Ohio, California, South Carolina reported phone number 800-839-7940 to the Federal Trade Commission. 2% of complaints reported the call or text message as a robocall or recorded message. The last complaint was on November 24, 2025.

Complaints by State

Arizona
32

-

Ohio
2

Toledo

California
1

-

South Carolina
1

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