PostgreSQL Installation Failure: Fatal Error
If you're out of luck when trying to run your pgAdmin 4 and the following error comes out of all sudden: Fatal Error: The application server could not be contacted Do not panic. 1. Just head to C:\Users\{username}\AppData\Roaming\pgadmin 2. Delete all of its content 3. Restart your pgAdmin 4 ( C:\Program Files\PostgreSQL\14\pgAdmin 4\bin\pgAdmin4.exe ) Voila!