I just installed 20.2 Manjaro Gnome. The GUI does not work. boinc.service is missing as well.
/ >>> boincmgr 
06:46:32: Warning: Mismatch between the program and library build versions detected.
The library used 3.0 (wchar_t,compiler with C++ ABI 1013,wx containers,compatible with 2.8),
and your program used 3.0 (wchar_t,compiler with C++ ABI 1014,wx containers,compatible with 2.8).
Well, I would include a screen shot here but someone has stopped us from using things that would actually help.
I run boinc on quite a few machines having used many distros over the years. It appears the packaging still isn’t quite right in the ARCH family of distros.
I have the similar problems and downgrade, configuration and upgrade, resolve it sudo DOWNGRADE_FROM_ALA=1 downgrade boinc
and I chose version 7.16.10 after installation: sudo systemctl start boinc-client.service sudo systemctl enable boinc-client.service
Switch on Boinc Manager, cancel adding “.” project, switch Boinc Manager off and switch on again after few seconds to push it to work
Setup Boinc Manager configuration (connect to BAM) and change some settings.
Upgrade Boinc to newest version, reboot and now it’s working normal
To start Boinc Manager with system (in the way to remember all settings) I copy desktop file to folder prepared for boinc flies and wrote small script to start Boinc Manager (starting boincmgr from consol or startup programs don’t remember settings).
My desktop file - boinc.desktop :
GenericName=BOINC monitor and control utility
GenericName[pl]=Monitorowanie i ustawianie BOINC
Comment=Configure or monitor a BOINC core client
Comment[pl]=Monitoruj i ustaw klienta BOINC
My starting script BoincManager_Startup.sh (make sure to add x in chmod - run opption) :
I added to starting programs in Manjaro Setting centre two new entry:
Boinc service with delay 10s and command sudo systemctl start boinc-client.service
Boinc Manager Startup with delay 70s and command /home/marcin/boinc/BoincManager_Startup.sh
After that Boinc Managers should start each time with user login (boot of system if You have autologin) remembering all settings. Hope to help You little bit
I thought I posted back here. I have it working now. Manjaro inherited an Arch bug which is why the GUI wouldn’t start. I found the version where Arch fixed it and posted in here on some BOINC message thread. A few days later someone must have pulled in the update. The GUI started working. The half added project appeared in the GUI as “added by URL” where I could finally delete it.
Hi there, new to Manjaro here (familiar with debian and derivatives)
I seem to be having problems with Boinc,
i can get the boincmgr to run but everything is greyed out… with the occasional error about gui_rpc_auth.cfg
when i go to /var/lib/boinc i just find an empty directory.
if i try and start the boinc client with systemctl i get the error Failed to start boinc_client.service: Unit boinc_client.service not found.
not quite sure where to go from here?
 Update, maneged to fix it after some digging and removing config files, re-installing and restarting the service , all working now [/edit]