In the above given figure (1), we see that the length of two sides `P' and `Q' when added then. it is less than the length of `R' because it violates the definition of triangle inequalities. A triangle is having equal sides, and the angle that is different to these sides is also same.
To enable Windows Update. Click Start, point to All Programs, and then click Windows Update. Click Change settings. In the Important updates section, select a mode of update that enables Windows Update (any selection other than Never Check for Updates), and then click OK. Click Start, and then click Run.
On the General tab, configure the following settings: Enable Software Updates on Clients: Verify that this setting is selected to enable the Software Updates Client Agent, which is enabled and installed on client computers by default. If the client agent is disabled, the client agent components are put into a dormant state but not removed on clients. Reenabling the Software Updates Client Agent will initiate a policy to request that the components on clients be enabled.