Blank web GUI after fresh Proxmox installation - what could be the problem?

poffy

New Member
Sep 21, 2026
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Hi all,

I'm a student and I'm currently trying to build my own test-domain, which at the moment includes just a switch, a proxmox server, and a client PC.

I installed the latest version of proxmox (no problems during installation). But when I try opening the web GUI on my client PC, I only get a blank screen (screenshot below). Pinging the server from my client works just fine. Important info: the client and the server PC are in the same network, but neither of them has Internet connection.

Here's the pve proxy status output:

root@pve:~# service pveproxy status
● pveproxy.service - PVE API Proxy Server
Loaded: loaded (/usr/lib/systemd/system/pveproxy.service; enabled; preset: enabled)
Active: active (running) since Mon 2026-04-13 21:59:25 CEST; 2 days ago
Invocation: 44d595b51f1849f89358905a70cef6b8
Process: 4931 ExecStartPre=/usr/bin/pvecm updatecerts --silent (code=exited, status=0/SUCCESS)
Process: 4934 ExecStart=/usr/bin/pveproxy start (code=exited, status=0/SUCCESS)
Process: 4942 ExecStartPost=sh -c [ ! -e /var/log/pveam.log ] && /usr/bin/pveupdate (code=exited, status=1/FAILURE)
Process: 286187 ExecReload=/usr/bin/pveproxy restart (code=exited, status=0/SUCCESS)
Main PID: 4937 (pveproxy)
Tasks: 4 (limit: 34853)
Memory: 213.6M (peak: 389.5M)
CPU: 24.188s
CGroup: /system.slice/pveproxy.service
├─ 4937 pveproxy
├─286208 "pveproxy worker"
├─286209 "pveproxy worker"
└─286210 "pveproxy worker"

Apr 15 00:33:33 pve pveproxy[4937]: starting 3 worker(s)
Apr 15 00:33:33 pve pveproxy[4937]: worker 286208 started
Apr 15 00:33:33 pve pveproxy[4937]: worker 286209 started
Apr 15 00:33:33 pve pveproxy[4937]: worker 286210 started
Apr 15 00:33:38 pve pveproxy[4939]: worker exit
Apr 15 00:33:38 pve pveproxy[4940]: worker exit
Apr 15 00:33:38 pve pveproxy[4938]: worker exit
Apr 15 00:33:38 pve pveproxy[4937]: worker 4938 finished
Apr 15 00:33:38 pve pveproxy[4937]: worker 4940 finished
Apr 15 00:33:38 pve pveproxy[4937]: worker 4939 finished
root@pve:~# client_loop: send disconnect: Connection reset

Am I missing something obvious here?
Thank you!


console errors.PNG
 
Please use code blocks. Did you run any helper/community scripts? Can you share the output of history? Does it work in chrome?