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How to Clean Mozilla Firefox 2.x Private Data

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What is private data?

  • Browsing History: contains a log web locations you have previously visited.
  • Download History: keeps a list of files you've downloaded.
  • Saved Form Information: contains a list of phrases you have entered in text fields, such as web searches, and name and address fields.
  • Cache: stores temporary files, such as web pages and other online media, that you have downloaded from the Internet.
  • Cookies: stores files created by web sites, that store information on your computer, such as your preferences when visiting that site. (When a web site has a "remember this" checkbox, they are using a cookie.)
  • Saved Passwords: contains a list of usernames and passwords you have opted to have Firefox remember.
  • Authenticated Sessions: keeps you logged into secure web sites, you have already used the password manager to log in to.


Follow this simple step-by-step guide to clean Mozilla Firefox 2.x private data:
  1. Open Mozilla Firefox 2.

  2. From the Firefox menu options, choose Tools and then Clear Private Data...
    Firefox 2 clear Private Data

  3. In the Clear Private Data window that appears, uncheck all checkboxes except for the Cache checkbox.
    Firefox 2 clear Private data
    Note: If you wish to clear additional forms of "private data", feel free to check the appropriate boxes. They will be cleared with the cache in the next step.

  4. Click on the Clear Private Data Now button.
    Firefox 2 clear Private Data

  5. When the Clear Private Data window disappears, all of the files saved (cached) from your Internet browsing activities will have been removed.


Changing Firefox 2 cache settings

Firefox stores copies of frequently accessed pages in the cache. By doing this Firefox doesn't have to retrieve the page from the network each time you view the web page.

To set the size of the cache:

  1. Select Tools > OptionsEdit > PreferencesFirefox > Preferences.
  2. Open the Advanced panel and click the Network tab.
  3. Enter a number in the Use up to field to specify the size of the cache. The default size is 50MB.
Important: A larger cache allows more data to be quickly retrieved, but more of your hard disk space is used.

When you quit Firefox, it performs cache maintenance. If maintenance takes longer than you wish, try reducing the size of the disk cache.

To reload a page at any time, click the Reload button in Firefox's Navigation Toolbar. Firefox then loads and displays the latest version of the page.



Instructions to remove cache files from other browsers:


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