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.
Also, the Windows Update command in Internet Explorer now automatically leads to Microsoft Update. Click here to show or hide instructions for turning on Microsoft Update in Windows Vista, 7, 8 and 8.1. If you have not yet enabled Microsoft Update, there is a link titled Get updates for other Microsoft products.