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Hi there and welcome
This was not Microsoft, it is a scam company pretending to be Microsoft. The errors they showed were faked, they do this as a trick to get you to give them your credit card details.
If you gave them this, I urge you to contact your credit card company and have any transactions cancelled and to cancel the card and have a new one sent out as they will likely do this.
Microsoft would never ring you like this, so if you ever receive such a phone call, explain you know they are fake, and hang up as you are protected if you have a good anti virus software installed.
If you would like any additional information or assistance, please do not hesitate to let me know.
And if you can take a second to rate my service by clicking one of the stars at the top of the screen then submit, that would be greatly appreciated.