11/18/2023 0 Comments Update kb4474419![]() ![]() The error message was "Windows cannot verify the digital signature for this file" for system32\winload.exe and so we couldn't boot.įortunately, we've found a workaround by getting an old copy of c:\windows\system32\winload.exe from a machine that's not updated, getting the machine into recovery mode with a USB stick and copied it into the impacted machine. All the laptops impacted were configured for Legacy Boot but machines on UEFI seems fine. Our users had the original version of this update installed in March '19 but the September update to the patch states it updates "boot manager files to avoid startup failures" which is what we encountered. It needs KB4474419 first but it turns out this KB has been updated multiple times since it first came out in March '19 and our SCCM only distributed the original version of the patch so please check yours. ![]() We bricked downed approximately 80 Windows 7 machines today rolling out January 2020 KB4534310. ![]()
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