Hello how may I help you? i have a question about some phone calls i've been receiving ok can you tell me more yeah, they are saying they are microsoft tech support and are telling me i have to install an antivirus for $397.97 We have been getting reports of this It is a scam ok, am i safe to block the numbers of these callers? Yes it is recommended anything else i need to do? That is all ok thank you for the help! you're welcome