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Firefox Sync stopped working on one Windows 7 device on Dec. 31, no problems on other devices. Also Firefox does not want to properly close on this device.

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  • Last reply by FredMcD

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Since January 2018, my laptop running Windows 7 (32-bit) has been giving me an error after I close Firefox. I have removed and re-installed Firefox but it still errors. I just found that it is trying to sync and that the last successful sync was on December 31. If I turn off syncing on this device Firefox closes without any error.

Since January 2018, my laptop running Windows 7 (32-bit) has been giving me an error after I close Firefox. I have removed and re-installed Firefox but it still errors. I just found that it is trying to sync and that the last successful sync was on December 31. If I turn off syncing on this device Firefox closes without any error.

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What is the exact error message?