Title. When I try joining a server off my friends list or when autoconnect triggers on sites like tf2center, both from the site itself or from the tf2c tools extension, all I get is the server preview window saying server not responding.

[img]https://i.imgur.com/qsuzY9B.png[/img]

I've tried it both with the game running in the background and it not being open. I have to manually start the game and paste the connect in console. Then, in the case of tf2center, after I close tf2 after the match, it opens again after a min or so and tries connecting me to the server. It started about a week ago, I haven't changed anything on my pc. Any advice? Thank