Windows Explorer (or File Explorer) is a file management program providing a graphical user interface for accessing your file systems. It was introduced with Windows 95, Windows Explorer
If one or more of your icons are not displaying correctly, or that your icon cache is corrupted, then you might consider rebuilding the icon cache to reset
The Windows logo key is a keyboard key which was originally introduced on the Microsoft Natural keyboard in 1994. This key became a standard key on PC keyboards.
Hibernation is the process of saving the content currently in memory to the hard drive to allow your PC to shut down completely, When your computer hibernates, it