My wife vpn's to her work. all traffic is passed except one app doesn't work or is blocked. Using AVG Internet Security 2015

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1

Ernie, 
Have a look @ these 2 articles…
[1] (https://support.avg.com/SupportArticleView?urlname=Allow-application-in-AVG-Firewall) 
[2] (https://support.avg.com/SupportArticleView?urlname=How-to-allow-or-block-all-connection-to-specific-IP-address) 
AVG Guru

2

Ernie, 
Have a look @ these 2 articles…
[1] (https://support.avg.com/SupportArticleView?urlname=Allow-application-in-AVG-Firewall) 
[2] (https://support.avg.com/SupportArticleView?urlname=How-to-allow-or-block-all-connection-to-specific-IP-address) 
AVG Guru