Faky Microsoft caller

Received a call from this number. Guy said he was calling from some company and that my computer was sending out signals because it wasn't window based or something to that affect. When I asked him what company, he wouldn't answer. I hung up.

Calling about grants but asking for my  money. Cursed at me too because I didn't believe his [***].

74 calls from this number in 3 days...not sure what scam it is; I have a call blocker and the phone will not ring unless the caller announces themselves.  Keep on calling scammer!!

Caller has phoned us 5 times a day all week about grants or simply hangs up when I answer. Rep could barely speak English and was rude when I asked to be put on do not call list.