That error is specific to HP devices and usually indicates some corrupt or incompatible driver is installed on your PC, do you use any 3rd party tool to update your drivers on the PC?
Are you able to get past that error to get into Windows?
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How to fix error 520 hp sure start covery at each start
Moved from: Microsoft Security | Microsoft Defender | Other
That error is specific to HP devices and usually indicates some corrupt or incompatible driver is installed on your PC, do you use any 3rd party tool to update your drivers on the PC?
Are you able to get past that error to get into Windows?