Firewall has stopped working

Hello Patricia,
We request you not to post multiple times for the same issue, you won't obtain an answer to your query faster.
Please refer your other posting via https://support.avg.com/answers?id=906b000000056VH .
Thank you.

the message I received: " An error occurred when saving the configuration. Requested configuration key was not found." I tried downloading the AVG again but  that did not work. Any suggestions on the next step??

Hello Patricia,
We request you not to post multiple times for the same issue, you won't obtain an answer to your query faster.
Please refer your other posting via https://support.avg.com/answers?id=906b000000056VH .
Thank you.