Match-IT needs to configure various Windows components at times including the registry and firewall settings. Even if you are logged into Windows as Admistrator or have administrative privileges, Windows will sometimes refuse to cooperate and you will get a message asking you to “Run Match-IT as Adminstrator” or words to that effect.
To do this, close Match-IT and then right-click on the Match-IT icon and select the menu item that says Run Match-IT as Administrator. Then log in to Match-IT in the usual way. If you received the original message after performing a specific operation, please try again and this time the Windows configuration Match-IT was attempting should succeed. In the case of firewall based original messages, it’s best to leave Match-IT logged in in this way for at least 15 minutes while performing your usual tasks.