I'm sorry about the issue. What was their phone number or website?
How did you get into contact with them?
What was the issue with your computer that you needed help?
I checked, and it looks like they are not affiliated with Microsoft, and they are not a legitimate tech support provider:
, and Microsoft has written an article about phone support scams at the website below:
Do you have any further question? And/or do you need help with anything else? When you are available, please reply at the box below to continue. Thank you.