Is this a scam? Windows Defender Security Center

I received a pop up with verbal message to call the number 1-877-287-6353 b.ecause my computer/network has been blocked. I called the number -- I think Microsoft answered -- and they are using some remote utilities to scan my computer. I hung up but they called back from Washington state. a

I am very nervous that this is a scam and I've been had.

Hi Barbara, yes this is definitely a tech support scam. Microsoft never block your computer and ask you to call them.

Disconnect your computer from the internet, then uninstall any remote desktop apps that were installed.

Also press the Windows key + R and enter rstrui and press OK

If you have a restore point prior to the scammer being on your computer, use that restore point.

Protect yourself from tech support scams (microsoft.com)

Microsoft-Report a technical support scam

Protect yourself from phishing (microsoft.com)

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Last updated April 9, 2025 Views 31,483 Applies to: