Windows 10 machine can't claim server, can't log into web, can't download plex

Server Version#:
Player Version#:

So this is really weird. My windows 10 NUC can’t seem to communicate with the Plex website properly. As I said in the title; it can’t claim the server using the “claim server” button (button does nothing), it can’t download plex server from the downloads page (shows no available downloads) and I can’t log into the plex website.

I have disabled adblockers, tried different browsers, disabled the pihole I have on the network, uninstalled plex (including registry items and appdata) and reinstalled it (I had to download it using another computer on the same network.

My guess is that windows installation is just messed up in some way. I have other computers on the same network and I have tried installing plex on those and they have none of the problems.

I would normally just reinstall windows but there is a lot of other automation on there that I’d prefer to not have to set up again. I was wondering if anyone else had seen this kind of issue with plex not being accessible from a PC. Before I tried to reinstall plex server I was having issues with plex.tv communicating with the server (claiming insecure connections etc.) but I could play stuff on my laptop and other devices outside of my local network.

I should also say that I also disabled windows defender firewall when plex started talking about insecure connections and it is still disabled. I also have a manually forwarded port for remote access which was previously working, even though the other plex servers inside the network are fully accessible remotely without the forwarded port.

Basically, I’d like to know if anyone else has had these kind of issues (plex not showing available downloads on the plex.tv server download page, blank white form where the online sign-in form should be, claim server button not operational). I think i’ve tried all of the basic stuff to troubleshoot so I think it is a specific plex or windows issue that is not obvious.

Did you use a VPN software before?
If so, check your hosts file.
It’s located in C:\Windows\System32\drivers\etc
open it with notepad.exe

Anything that follows below this block

# Copyright (c) 1993-2009 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
#      102.54.94.97     rhino.acme.com          # source server
#       38.25.63.10     x.acme.com              # x client host

# localhost name resolution is handled within DNS itself.
#	127.0.0.1       localhost
#	::1             localhost

is non-default and may have to do with your isse.

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