Guest ronks Posted November 13, 2019 Posted November 13, 2019 I seem to be unable to install the November version of the Win 7 Malicious Software Removal Tool via Windows Update. I keep getting "unknown error 800B0109", even after rebooting and after powering off and restarting. Can't find any useful info on cause or remedies except: 0x800B0109 = A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider. Which is a little odd for Microsoft's MSRT. More... Quote
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