One or more activex controls could not be displayed error in Windows

ERROR !
One or more ActiveX controls could not be displayed because either: 1) Your current security settings prohibit running ActiveX controls on this page, or 2) You have blocked a publisher of one of the controls. As a result, the page may not display correctly.

How to solve One or more activex controls could not be displayed error ?

1. Go to "Start" -> "Run"
2. Type "regedit" and press Enter. Registry editor opens up
3. Go to "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0"
4. In the right pane, right-click 1200, and then click Modify.
5. In the Value data box, type 0 instead of 3. Then, click OK.
6. Delete the extra zone above Zone 0 with a pseudo-graphic number ( Zone ۝ ).