Can Account Unknown Error Solved?
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Posted on - 12/31/2020
A) To fix the error “account unknown,” you will need to perform a complete system scan with Windows Defender or with available Antivirus Software. You can also use Microsoft Safety Scanner helps remove viruses, spyware, and other malicious software, and it works with antivirus software.
B) To fix this “account unknown,” you will need to call Microsoft support service for help.