My computer seemed to be running more slowly after the Creators update, so I went into the error viewer and found a ton of errors with the source EapHost, Event ID 2002. From Googling around, I found that this error can be caused by leftover keys from Cisco software, so I went ahead and deleted two of the keys referred to in the error logs, and the errors associated with those keys stopped popping up. However, there's a third error that keeps popping up:

Skipping: Eap method DLL path validation failed. Error: typeId=21, authorId=311, vendorId=0, vendorType=0

The trouble is that this doesn't give me enough information to figure out which key I need to delete. It refers me to a node in the registry called WLANProfileCreationUXAuth. There are six subfolders under that one, and some of them contain keys that I can't delete. (Stupidly, I tried, but the system wouldn't let me.)

What I'm wondering is this: how can I figure out which of the specific keys I need to delete? None of them refer to Cisco, as far as I can see.