Several of my computers sometimes mysteriously lose minutes when switched off, so that the time they display slowly becomes more and more behind. Luckily I have Ubuntu installed. This can periodically synchronize with the main Ubuntu time server, and thus never let the computers get out of step with the rest of the world.
Some Control Panel applets control fairly simple sets of options, while others are relatively complex. As in other Windows platforms, the Windows Server 2008 Control Panel serves as a control center for configuring hardware and operating system settings.
Many windows are buried several levels deep in Vista's Control Panel, so it can be a bit of a pain to make your way around the program. If you find yourself returning to the same spot often, there are several ways to make shortcuts and save yourself some time in the future.
Sometimes you have two versions of a workbook, and you want to compare the differences in the data visually. Excel provides a convenient feature that allows you to compare two documents side by side.