Cannot access my internal server

Hello Mallwy,
Thank you for contacting AVG Community Support.
We regret the inconvenience caused. We'll check and help you.
Kindly repair AVG and check if it helps using the below article.
(https://support.avg.com/SupportArticleView?l=en&urlName=repair-avg-antivirus&q=repairing+AVG+internet+security&supportType=home)
Thank you and keep us updated.

To access the internal server of my organization there are two ways.. special domain to access the database within inside the internal lan. Which faster 
The other domain for users from outside the organization to access the database on the internet
my problem is ..
when AVG is working I type the internal domain .. but it is switched to the external domain. 

Hello Mallwy,
Thank you for contacting AVG Community Support.
We regret the inconvenience caused. We'll check and help you.
Kindly repair AVG and check if it helps using the below article.
(https://support.avg.com/SupportArticleView?l=en&urlName=repair-avg-antivirus&q=repairing+AVG+internet+security&supportType=home)
Thank you and keep us updated.