Secure Connection Failed Firefox

This kind of problem occurs when a Firefox user tries to open or browse a secure connection (example: https// or in simple, yahoo mail website ), Firefox browser shows an error message "Secure Connection Failed". see this picture bellow :

Picture : Secure Connection Failed

Do not worry. you can fix this problem by some easy steps.
Follow these steps :

• Go to "Application Data" folder in Windows XP.
  
  • Start menu >> Run >> type %APPDATA% >> click OK
• You are now in "Application Data" Folder.
• Next click and open Mozilla >> Firefox >> Profiles >> .... >> Now find "cert8.db" file.
• Delete the file and Restart your Mozilla Firefox.

                                         
                                            Pic : "cert8.db" file on my computer.

Problem 2 : Secure Connection Failed on Facebook


Problem 3 : secure connection failed ipod touch  
Secure connection failed message on iPhone, iPod touch or iPad . There are two types of error you can find on iPhone, iPod or iPad devices. 
1. Secure connection failed.
2.  Lost secure connection.