Cannot delete virus database history

kaushik37

Honorable
Nov 26, 2013
301
0
10,790
I have tried to copy some files to my blank virus - free scanned pen drive from a DVD in a PC having Windows 10 Pro OS. During copy, I found that Windows Defender had identified some files containing virus and did the recommended action - delete them at once. It did the deletion, but then, a message appeared - 'Windows Defender was unable to fully resolve this potential threat'. Then, the message disappeared and never came back. But then, I have found that some of the virus database history was in the Windows Defender 'quarantine history' and 'allowed threats'. No matter how many times I try to clear the history, those two files history cannot be deleted. I have tried to scan the whole PC, restarted it but of no result. I want immediate help, as I am a bit worried regarding this issue. Also, please note that, I have never opened up a single file neither of the pen drive nor of the DVD.