How To Fix “Network Protocol Error” On Mozilla Firefox

3 Responses

  1. J Martell says:

    Thank you for this fix. But would like to mention, isn’t it: MENU -> Options {rather than Edit -> Preferences, at least on my Firefox} -> Privacy & Security to access those settings?

  2. R. Leavitt says:

    I’ve had little problem simply clicking on the “reload” button in the message screen. It IS, however, curious that this problem began to appear regularly just after (like the day after…) I installed a recent Firefox update.

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