Additional steps for configuration
We recommend that you install this update through Windows Update
as doing this installs the fix and removes the leaked registrations.
If you download the package directly from the Microsoft Download Center, you have to manually extract the wnfcleanup tool from the MSU package. To extract the cleanup tool from the MSU package by opening an elevated command prompt by using Run as administrator, run the following commands in order:
MD c:\wnfcleanup
Copy %userprofile%\Downloads\Windows8.1-KB3063843-* c:\wnfcleanup
CD \wnfcleanup
expand Windows8.1-KB3063843-*.msu -F:wnfcleanup.exe .\
The full stop (.\) is important as it says to extract the EXE to the current location where the MSU is.
Then, create a scheduled task to clean up the existing registry entries by running the wnfcleanup.exe tool as SYSTEM.
The following commands should be run in an
elevated command prompt to create a scheduled task. The task executes a command as SYSTEM to run the cleanup tool. Then, the task is deleted.
SCHTASKS /create /f /SC hourly /TN Wnfcleanup /TR "cmd /c c:\wnfcleanup\wnfcleanup.exe -delete" /RU "SYSTEM"
SCHTASKS /run /I /TN "Wnfcleanup"
"c:\wnfcleanup\wnfcleanup.exe" is a location that is used in this example. You should modify this to reflect the exact drive and path where the wnfcleanup tool was extracted to if you did not follow the earlier instructions exactly.
Now leave the system for several minutes so that the task can execute and be completed. You can check the status of the Wnfcleanup task to see whether it has completed and returned to the "ready" state by running the following commands:
SCHTASKS /QUERY /V | findstr /I "wnfcleanup" > .\cleanup.txt
Cleanup.txt
The Cleanup.txt should show a status of "Ready." If it shows as "Running," rerun the two commands above. As soon as the status shows "Ready," locate "cmd /c c:\wnfcleanup\wnfcleanup.exe -delete" in the Clanup.txt. Immediately to the left is the result code that is followed by the account name which created the scheduled task. It will be as follows "0 Administrator." The result code should be "0" that indicates the task ran successfully.
As soon as it is completed, delete the task:
SCHTASKS /delete /TN "Wnfcleanup" /f
You can now delete the c:\wnfcleanup directory that you created and its contents.
Note The wnfcleanup tool must be run in the SYSTEM security context. This is why the task scheduler is used. Or, you could run it by using a tool such as PsExec.
