Why does pgadmin 4 open incorrectly without css styles?

Question

PostgreSQL

I install on Windows Server 2008 R2, postgresql_12.4_1.1C_x64, and after installation, I run pgadmin4, and I have it like this:

I tried to install old versions in IE launch, the same thing. Restarted the service.

Answer 1

It is necessary to change the "Content Type" parameter to "text/css" in "HKEY_CLASSES_ROOT\.css"

Answer 2

Start by looking at the browser console. Or something somewhere is not there, or some kind of problem with access (on the rights of wang).