The Printer Enrollment Tool freezes
Sometimes, the operating system incorrectly attempts to communicate with the proxy server instead of the localhost, which causes the connection to fail.
Try one or more of the following:
Disable the proxy server of your web browser or operating system
For more information, see the documentation that came with your web browser or operating system.
Enable the "Bypass proxy server for local addresses" feature of your web browser or operating system
For more information, see the documentation that came with your web browser or operating system.