WRkrn.sys causing blue screen failure

Sorry if I am posting this in the wrong section, it's more a software problem...

My brother-in-law bought a Dell Inspiron 660 s return in 2012 from Best Buy, so he came with already installed Webroot (I don't have the product keys or codes for this). Provided with Windows 8, but he has since upgraded to Win10. He contacted me to watch for him because I work in it. Apparently, he did an uninstall (not sure how he did it) and the driver "WRkrn.sys" seems to be leftovers. After a Windows Update the computer restarted and now it goes to the dreaded blue screen of death. Until he comes to blue screen, the Dell logo comes and below it says "Prepare the automatic repair" I don't even have the chance to hit F8 to try to get safe mode. Then it goes to the blue screen that says: "your PC/device needs to be repaired. The operating system could not be loaded because the critical system driver is missing or contains errors. »

File: \\WINDOWS\System32\drivers\WRkrn.sys

Error code: 0xc000007b

You will need to use recovery tools (it has the drivers & disk utilities and who cannot start). I looked at this file and it is related to the Webroot antivirus.

Press ENTER to try again (does nothing)

Press F8 for boot parameters (goes to another blue screen with options that do nothing)

Press ESC for the parameters of the UEFI firmware (which brings me to the BIOS).

Then it goes to the blue screen if I tap F8...

NONE of these options no matter what. They all bring back me to the blue screen of death origin. So I can't even in safe mode to try to delete this file. The only thing I can do is get into the BIOS. It doesn't have a recovery disk, one disk with what he came is software & disk utilities (cannot start to that). Can someone help me with this please? Especially trying to get into safe mode in order to remove this driver and do not have to treat more than Webroot. Thanks in advance. Sorry for the pictures on the side.

I just wanted to someone else having a similar problem and SpeedStep know that was NOT a hardware problem. The hard disk was not corrupt. It's just a bad file WRkrn.sys (a Webroot anti-virus software). I saved money by starting in mini Windows XP using Hiren boot CD, renamed this file corrupted, restarted in Win10 successfully with no blue screen and then uninstalled Webroot. Problem solved.

But thanks for your suggestion.

Tags: Dell Software

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