asp.net waiting for localhost forever

Check firewall for blocked ports, change dynamic ports of application to some fixed port.

I had a similar issue where my site got "Waiting for" forever. Tried restarting the website and nothing.

I was not able to reboot the machine (I am pretty sure that it would solve) so I kept investigating what could be.

I found out that, in my case, the solution was to change the "Application Pool" of the website. It appears that the current one crashed or something like that (I was able to stop it but not start it back again), so I created a new Application Pool and the site started working again.