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[Bug] Error: pgAdmin 4 requires Python 3.9 or later on Windows #864

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Description

@dickygiancini

Version 4.18.3
OS: Windows
Modules Affected: PostgreSQL -> pgAdmin 4

Pressing the browser icon on the postgresql shows error pgAdmin 4 requires Python 3.9 or later
Image

While installed version of python shows later than 3.9
Image

Tested across all python versions starting from 3.9 to 3.14 but the issue persist. Running manually:

$pgadmin = "C:\Users\Dicky\AppData\Local\Programs\PhpWebStudy-Data\app\postgresql-18.4\pgsql\pgAdmin 4"

Set-Location "$pgadmin\web"
& "$pgadmin\python\python.exe" .\pgAdmin4.py

Works

Activity

  1. xpf0000 commented on Sep 16, 2026

    @xpf0000
    Owner

    https://github.com/xpf0000/FlyEnv/releases/download/v4.18.3/FlyEnv-Setup-4.18.3.exe
    This issue has been fixed. I’ve rebuilt the installer package. Please download and install it again, then give it another try.

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