This kind of problem is occurs if you have disable the active scripting, because of that your windows live family safety is not working. To fix this problem open your Firefox browser and then go to the internet option and open the security tab and select the option custom level and then go the scripting section of the browser and enable the active scripting and then at the end to apply the setting, click on the apply then to close the window click on the OK. I hope this information may help you.
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