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FU to prior query this date: Upgrade causing this problem was to V115.0.3 (32 bit). Noted this was a problem with an upgrade in 2021. Program compatibility analysis w MS 10 noted the upgrade was an 'incompatible program' and could NOT be fully installed.

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  • Last reply by Wayne Mery

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Means to recover lost data is paramount.

Means to recover lost data is paramount.

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Please post in your original topic at https://support.mozilla.org/en-US/questions/1419812