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.
This is helpful in quickly resolving any issues discovered. The top of the report indicates which of three data sources were used, including Microsoft Update (the live service), Windows Server Update Services (a managing WSUS server) or Microsoft Update offline (when no other data source was available).