AccountUnknown (S-1-5-21—1000), has security permissions of installed programs on newly reset pc. Still there after reinstallation of windows. Not app

  • Thread starter Thread starter Lellugi
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Lellugi

Suspected malware on my pc so reset it. After doing so, this AccountUnknown(S-1-5-21-xxx-xxx-1000) appeared under permissions for anything that I downloaded (Chrome etc). Seeing this, and with Microsoft live chat advice, I did a fresh reinstallation of windows, and still this unknown account appeared! I know that the general suggestion is that this is a deleted account, and that the SID ending in 1000 means it was the first account created on my device, but the only account created on this fresh installation is my own local account. I was suggested to remove this account from the ProfileList i

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