How to restore Windows 7 gadgets by default
If you accidentally deleted a gadget from Windows 7 standard set or a gadget installed by your system administrator, probably your question is how to restore it? You can't download them from Microsoft site. You can copy it from friends, risking getting a virus on flash drive, or you can use these tips.
To restore the set of gadgets by default just type the following in the search of "Start" menu:
"Restore desktop gadgets installed with Windows" (without the quotes, or as part of the line) and press Enter.
After entering the command the window of "Gadgets" will open with the inscription: "All Windows and administrator installed gadgets have been restored.".