Hello there,
This might be due to malware installed on the device. Windows Malicious Software Removal might remove the malware.
Windows Malicious Software Removal Tool (MSRT) helps keep Windows computers free from prevalent malware. MSRT finds and removes threats and reverses the changes made by these threats. MSRT is generally released monthly as part of Windows Update or as a standalone tool available here for download.
You can get the tool from here https://www.microsoft.com/en-us/download/details.aspx?id=9905
Hope this resolves your Query !!
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