Mozilla Firefox 4 has been released in less than a month ago and become very popular. If you are having difficulty to recover the previously opened tabs, try the following in Mozilla Firefox 4:

1. Click on ‘Tools’ in the top menu of Mozilla Firefox 4
2. Click on ‘Options’
3. In the ‘main’ tab, select ‘Show my windows and tabs from last time’ on ‘When Firefox starts’ section.
4. Click ‘OK’.

You should be able to recover the previously visited tabs and windows in Mozilla Firefox 4. You can use the same tricks to recover your visited tabs in Mozilla Firefox 3 too.

The passwords you saved in Mozilla Firefox can be easily learnt by another computer user.

Whenever you visit a website or register for the services on the net, you are asked whether you would like to save the password in Mozilla Firefox. If you say yes to save, it is easy for the next person to learn your password very easily. How?

In Firefox, select Tools and Security in the main menu. By pressing Show Password options, you can easily learn all the passwords recorded in the computer. And, this is not good if you are not only user of the computer. If that’s the case, you can assign a master password to protect yourself for intrusions.

Of course, it is important to remind that passwords like abc123 can easily be hacked. The most difficult passwords to be hacked are the combinations of letters, numbers, capital letters and symbols.

For more information for computer security and other practical knowledge on computers, you can visit CleanPC.org.