Recover Windows 7 Gadjets

Problems

Gadgets may be displayed as black squares.
Gadgets may be displayed that have vertical green lines down the center, or gadgets may not be displayed at all.
Gadgets may have blue exclamation marks next to them.
The Calendar gadget may be displayed as an orange background that does not have dates.

Method 1: 
1. Click Start, click Control Panel, and then click Appearance and Personalization.
2. Under Desktop Gadgets, click Restore Desktop Gadgets installed with Windows.
3. Check the Gadgets... and Enjoy...

Method 2: 

1. Click Start, click Control Panel, and then click Programs.

2. Under Programs and Features, click Turn Windows features on or off.

3. Click to clear the Windows Gadgets Platform check box.

4. Click OK for the change to take effect, and then restart your computer.

5. Click Start, click Control Panel, and then click Programs.

6. Under Programs and Features, click Turn Windows features on or off.

7. Click to check the Windows Gadgets Platform check box.

8. Click OK for the change to take effect, and then restart your computer.

9. Check the Gadgets... and Enjoy...

Method 3: 

1. Click Start, and then type regedit in the Search box.

2. Click regedit.exe under Programs.

3. Browse to and select the following registry subkey:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0

4. In the right-side pane, right-click 1200, and then click Modify.

5. In the Value data box, type either 1 or 0 to overwrite the existing value of 3.

6. Click OK, and then exit Registry Editor.

7. Check the Gadgets... and Enjoy...