I'm sorry about the issue. That was a fake phone call / message. It is a scam. Do not run any scan nor follow any of their instructions.
Does this issue occur when you shut down / restart the computer?
What happens when you use your computer?
Do you have windows xp, vista, or 7, or 8, 10?
Can we do a remote support session, so I can troubleshoot the issue directly on your computer together with you?Please type at the box below, then click on the Send button below to communicate with me, so I can help. Thank you,
How are you? It's been a few days. Do you still need help with this issue and/or with anything else?
When you are available, please type at the box below, then click on the Send button below to communicate with me, so I can help. Thank you,