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Normally Firefox updates automatically. But more or less a week ago I had to do it manually and only the 11 contacts I had lately contact with are on my contact

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  • 1 has this problem
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  • Last reply by guigs

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Emails are not lost.

Emails are not lost.

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Are these contacts managed by an add on or extension? It is possible that the add on may not be compatible with the Firefox update.

What is being used to manage this lost data?

In order to control when Firefox updates see: