How To Fix the Skype crashing issue for Windows XP / Vista / 7 and Mac OS
- Close Skype.
 - Ensure that “Show hidden files and folders” is switched on.
 - Click Start and then Run
 - Type control folders and click OK.
 - Select the View tab and ensure relevant entry is enabled.
 - Locate the shared.xml file.
 - Click Start and then Run…
 - Type %appdata%skype and click OK.
 - Delete the shared.xml file.
 - Restart Skype. The shared.xml file will be recreated.
 
- Close Skype.
 - Right-click the Skype icon in the system tray (at the bottom right of the screen)
 - Choose Quit.
 - Ensure that “Show hidden files and folders” is switched on.
 - Click Start, type run and press Enter.
 - Type control folders and click OK.
 - Select the View tab and ensure relevant entry is enabled.
 - Locate the shared.xml file.
 - Click Start, type run and press Enter.
 - Type %appdata%skype and click OK.
 - Delete the shared.xml file.
 - Restart Skype. The shared.xml file will be recreated.
 
Mac OS X
- Quit Skype.
 - Go to the folder ~/Library/Application Support/Skype/
 - Delete the file shared.xml (it will be recreated once you open Skype again, this is fine).
 - Start Skype.
 
(Note that the sign of ~ represent home folder. Find your home by opening the Finder and select Go to > Home menu, or press Command (Apple), Shift and H keys simultaneously.)
