Firewall keeps blocking Citrix HDX Engine

Hello Leen,
Please try to allow the application on the Firewall and try whether it resolves the issue. Please follow the instructions on the article http://avgread.me/1G3omO8 to allow the application on the Firewall. Please feel free to contact us for further assistance.
Thank you.

Hello Leen,
We are sorry to know that the issue persists. Please 'add exception'(http://avgread.me/18WB2dg) in your AVG program and let us know the status. Thank you.

I also added the service manually, but everytime it keeps blocking this program and have to allow it everytime.

Hello Leen,
Please try to allow the application on the Firewall and try whether it resolves the issue. Please follow the instructions on the article http://avgread.me/1G3omO8 to allow the application on the Firewall. Please feel free to contact us for further assistance.
Thank you.

Like i sad initially: i already added a firewall rule manually and did not resolve the issue.

Hello Leen,
We are sorry to know that the issue persists. Please 'add exception'(http://avgread.me/18WB2dg) in your AVG program and let us know the status. Thank you.

I added the exception, but still no result.

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