If you follow "Nick's" instructions, you will indeed get nicked!
You may have been subjected to something like scam #3, as described at
http://phonehelp.2truth.com/facts.html
That site also shows how other 800notes visitors have reduced the number of telephone scams and telemarketing calls they receive. (Links to Amazon's phone blocker devices and apps, as well as government reporting sites are also provided).
Definitely a phishing scam. Could hardly understand what he was saying due to the Indian accent. was trying to say he was going to "fix" our computer LOL