Hi,
Thank you for this tutoriel!
For them we have some trouble with windows 10 it's simple.
You need to type in an admin cmd : net stop http /y
If that didn't work, maybe like me you have skype.
Skype use the 80 port, you just need to close it.
I am running a Raspberry Pi so CEC is important to me, don't want that getting stuffed up.
Seems like LG have a bit to learn about testing firmware updates before rolling them out.