noun, Chemistry. 1. the univalent ion, NH 4 + , or group, NH 4 , which plays the part of a metal in the salt formed when ammonia reacts with an acid. ammonium nitrate is extremely common, and pretty dangerous, and also extremely useful.
1 Double-click the Allow users to connect remotely using Terminal Services policy. 2  Set the policy to Enabled, and then click OK. 3  Right-click My Computer and click Properties. 4  Click the Remote tab. 5  In the Remote Desktop section, click to clear Allow users to connect remotely to this computer, and then click OK.ou can also use the following procedure to disable Remote Desktop; however, if you use the preceding procedure, the following configuration is overridden: NOTE: Remote Desktop is disabled by default on Windows XP Professional. 1  Click Start, click Run, type gpedit.msc, and then click OK.
Open Internet Explorer for the desktop. Tap or click the Tools button, and then tap or click Manage add-ons. Under Show, tap or click All add-ons, and then do one of the following: To disable an add-on, tap or click it, and then tap or click Disable.