If the Skype icon is displayed in the system tray at the bottom right of the screen, right-click it and select Quit.
2.Click Start, type "run" and press Enter. (On Windows XP: Click Start and then Run.)
3.Type "%appdata%skype" and click OK.
4.Locate and delete the file shared.xml. The file may be displayed as shared if file extensions are not displayed by default on your computer.