Hi guys
I have installed endeavourOs latest version (-de xfce-)
A clean install!
At installation completed I get this error:
pipewire-media-session(882)-spa.bluez5: GetManagedObject() failed: org.fredesktop.DBus.Error.ServiceUnkonown
How do you explain and how can I solve?
P.s with the previous version of endeavouros I never had problems!
Welcome to the forum! 
Could you send the install log with terminal command
cat /var/log/endeavour-install.log | eos-sendlog
It shows an address, please show it here.
Not exactly a solution, just a bit of information. If the problem is with pipewire-media-session, it is possible to replace it with WirePlumber, instructions are in this post;
(PipeWire: pipewire-media-session vs wireplumber - #4 by mateusz.baran)
The strange thing is that it happened after a clean installation!
with previous versions never had problems after a clean installation
these org.fredesktop.DBus.Error. are mostly harmless…
Is audio working or is there any real issue?
What shows inxi -Aa ?
New audio stack.
New version now defaults to pipewire for audio, previous versions was pulseaudio.
Personally I think the user should have the choice between pipewire and pulseaudio.
User has the choice to use what fits best, but most users do not know what to choose if there would be an option in installer.
(off the topic)
@joekamprad Everything is good like this! 
This has a huge downside. I guess most users would just stay with the installation they’re used to. This would result in much less testing and bug discovery. For the development of software it is sometimes better, not to offer too many options. 
inxi -Aa
Audio:
Device: Intel 82801I HH Audio vendor: Samsung Co driver: snd_hda_intel
V: kernel bus-ID: 00:1b.0 chip-ID: 8086:293e class-ID: 0403
Sound Server-1: ALSA v: k5.15.6-arch2-1 running: yes
Sound Server-2: JACK v:1.9.19 running: no
Sound Server-3: PulseAudio v: 15.0 running: no
Sound Server-4: PipeWire v: 0.3.40 running: yes
I always chose endeavouos precisely because it made me choose what to install.
It is possible in the new version to choose pulseaudio instead of pipewire during the installation?
I tried it and the audio works both with the browser (YouTube) and with various players (audacious, mpv).
so it works just fine i would bet ?
And the error could be also related to non enabled Bluetooth ?
I love endeavouros.
I never had a problem before!
Now, I don’t want to have any and pipewire (the error I pointed out ) worries me!
I ask those who know more than me if I can leave it like that ?
P.s just to know: but a way to not have the error what is it?
I don’t have a bluetooth card installed!
In the previous version I unchecked the bluetooth plugin (xfce installation) and never had problems
pipewire-media-session(882)-spa.bluez5
is related to bluez
I know!
But this time I didn’t understand how to disable the Bluetooth plugin during the installation of endeavouros(xfce)!
With the previous version I could do it and in fact I never had problems
If performing a clean reinstallation what option should I disable to not install the Bluetooth plugin?
is it installed at all?
pacman -Qs blueberry
pacman -Qs bluez
During the clean install I only removed the screesaver, xed, parole and ristretto image viewer!
I didn’t find the option to disable bluetooth.
Blueberry was missing
sudo systemctl status bluetooth show status of BT
But we do not enable BT on installation, and there are no extra packages installed for BT, only some DEs bring BT packages in per default.
Downside is pipewire is still buggy.