Piracy is a big issue in the software industry. The people who suffer are the legal users and the manufacturers. Bonafide clients of Windows may get error messages while receiving updates or when connecting to Microsoft's website. A person may be a genuine customer with a software license and unique key, but some unauthenticated person may also be using the same key. If this is the case, there is no short route to tackle the problem. So the genuine customer using a licensed Windows software should take preventive measures to avoid such a situation. One needs to go to the Validation page and complete the validation requirements.
If you get this type of message when connecting to Microsoft's Website or making updates for Windows :"you may be a victim of software counterfeiting ". Though you have legally bought a license for Windows, it may be due to the fact that someone else is using the same key (acquired it through some illegal method). Note that it would be a very time consuming process to handle this type of problem.
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