Steven, (1) Yes, Try re-installing AVG (https://support.avg.com/SupportArticleView?urlname=How-to-reinstall-AVG). (2) This is also covered by this article (https://support.avg.com/SupportArticleView?urlname=How-to-enable-file-sharing-or-printing-with-AVG-Firewall).
AVG Guru
Steven, (1) Yes, Try re-installing AVG (https://support.avg.com/SupportArticleView?urlname=How-to-reinstall-AVG). (2) This is also covered by this article (https://support.avg.com/SupportArticleView?urlname=How-to-enable-file-sharing-or-printing-with-AVG-Firewall).
AVG Guru