Foreign male voice. Said was calling on behalf of Government solar rebate scheme. I Blocked Number.

Received call from this number, no message left. Just tried to call back out of interest. No ring tone and after 12 s called ended. Agree with other comments, most likely scammers.

Said they were from Microsoft Corporation and stated suspicious activities recorded on my computer.

Rang business mobile after hours and left no message

I know who who are

Ring back and number is constantly engaged - scammers most likely