If you use Mozilla Firefox and work by opening a lot of tabs and then suddenly make an attempt to close the main Firefox window, there will be a default message displayed that asks the user if he/she wants the browser to save the open tabs for the next time that the browser starts. If you had accidently checked the box that is labeled “Do not ask next time”, then the browser will not display this warning anymore. However, it is useful to have the warning come up whenever you try to close the main Firefox window, so you may enable it again. • Step 1: Start the Mozilla Firefox window.
• Step 2: In the location bar the user must type “about:config” and then hit the Enter key.
• Step 3: Now Firefox will display a warning that says that your warranty may be void. It says that any change in the advanced settings could be harmful for the security, stability, and performance of this application.
• Step 4: The user must click on the button called “I'll be careful I promise!”.
• Step 5: Now in the “Filter” field, the user must type “tabs.warn”. There will be a preference called “tabs.warnOnClose”.
• Step 6: the user has to double click on “tabs.warnOnClose” and change the value to “true”. This will make Firefox show a warning when you close a main Firefox window next time.
• Step 7: Finally the user must restart the browser for helping the changes take effect.
Do the work yourself by following the above mentioned steps or may contact a remote PC support provider for online technical support.
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