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Failure to Start, Error Msg [wdfilter.sys]
Windows Insider First opportunity to update on the road. Attempted to roll back to previous build but don't remember my password, have been using PIN#. Though password of my MS account is same as ne...
I had the same issue. It'seems I fixed it by going to C:\Windows\System32\drivers and renaming the driver to wdfilter.old.
Renaming to wdfilter.old worked for me too. Remember to change your profile to grant full control/access beforehand then restart after renaming.