I would like to install PostgreSQL on windows 7. Howver I faced one problem when I am going to launch pgAdmin 4. It shows that "Fatal Error. application server could not be contacted." I tried run as Administrator, deleted file pgAdmin in AppData. Deleted python and in my path. Added PostgreAQL in my path. However due to some reason it shows the above proble. I need your help. Thank you in advance
Postgresql – Fatal Error. application server could not be contacted
pgadmin-4postgresql
Best Answer
Here is the solution that worked for me on windows 10: