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Unable to boot - Corrupt wof.sys


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#1 PopSmith

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Posted 11 August 2017 - 11:52 AM

UPDATE:In the command prompt the existing wof.sys file showed 0 bytes in size. I decided to try and copy the existing file from a working PC and that fixed it.

 

I am unable to get past the "Automatic Repair" / WinRE screens and cannot boot into Safe Mode. I have tried:

 

sfc /scannow

chkdsk /f

 

The SrtTrail file says:

Root cause found:

-----------------------------

Boot critical file: C:\windows\system32\drivers\wof.sys is corrupt.

 

Repair action: File repair

Result: Failed. Error code = 0x490

Time taken = 937 ms

 

Repair action: System files integrity check and repair

Result: Failed. Error code = 0x490

 

Time taken = 242906 ms

 

Would replacing this with one from the newest MS ISO fix the issue?

 

My initial problem was that the drive letters (my primary and secondary SSDs) were swapped and it was trying to boot off the second drive. I unplugged it and ran into the above problem.

 

Thank you for any help or insight you can provide!


Edited by PopSmith, 11 August 2017 - 12:23 PM.


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#2 dc3

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Posted 11 August 2017 - 12:57 PM

Please do the following.

 

Press the Windows key and the X key to open the Windows Mobility Center menu.

In the menu select Command Prompt (Admin)

Copy and paste the command below in the Command Prompt, then press Enter.
 
dism /online /cleanup-image /restorehealth
 
Restart the computer to complete the repair.


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#3 PopSmith

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Posted 11 August 2017 - 01:56 PM

Thank you for the quick reply. I have done the dism command and it came back saying it was successful and I rebooted. Is there anything else I need to do?



#4 dc3

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Posted 11 August 2017 - 02:10 PM

Run the computer for a few days and see if there are any other issues.  If there aren't... happy computing.


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