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In Firefox 39.0, I have a missing folder for storing Twitter design settings (background theme). What is the proper name of the missing folder?

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Firefox 39.0 should store settings for Twitter background design. This unknown folder should be here in Firefox help, trouble shooting information, profile folder. What should I name a new folder for storing the twitter background design choice?

Firefox 39.0 should store settings for Twitter background design. This unknown folder should be here in Firefox help, trouble shooting information, profile folder. What should I name a new folder for storing the twitter background design choice?

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Sorry, I'm not sure exactly what you're doing.

If this is a setting on Twitter, the site probably will set a cookie and might use offline storage (but most likely will simply serve a slightly different page and not store any images locally).

If you planning to replace the normal Twitter background with something different of your own choosing, were you planning to use a custom style rule or an add-on of some kind? The technique probably determines the location.

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Chosen Solution

Sorry, I'm not sure exactly what you're doing.

If this is a setting on Twitter, the site probably will set a cookie and might use offline storage (but most likely will simply serve a slightly different page and not store any images locally).

If you planning to replace the normal Twitter background with something different of your own choosing, were you planning to use a custom style rule or an add-on of some kind? The technique probably determines the location.

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I'm thinking that it's Twitter that is the problem. Every time I choose a Twitter background it will return to a blank background when I reload the page. Thanks for your help.

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It is strange. You would think that is stored in your account info and if the site isn't logging you out, it would be able to retain the setting. I rarely use Twitter so I don't have any personal experience with that feature...