Hello there,
the proton plus and wine 10.6-staging-tkg in arch worked for me. Ty for the info
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Sadly, didn’t work for me. Battle.net launcher starts, scanned for games and found them, but now only has a solid black screen. 
Edit: Found out that setting the browser hardware acceleration to “on” in the battle.net settings fixed the black screen.
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Thanks for this tip! I’ve been using GE-Proton for a long time instead of my system wine staging runner due to the black screen issue. Now that I fixed that it turns out that my 10.4 wine staging (the normal version, not tkg) seems to be working just fine without any update agent issues.
And just in case there’s someone else going “wait how can I change my battle.net settings when I can’t see anything with this black screen”, just change the runner to something else temporarily, change the setting and then select the original runner again 
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Thank you for the tip to use the non-tkg version. I got wine-10.7-staging-amd64.tar.xz from Kron4ek · GitHub and that fixed the sleep and the black screen problem and updated the games.
WoW - started from the exe file - still works with win-ge-8-26-x86_64.
I’m not willing to install this ProtonPlus app. I just finally got rid of flatpak and I’m not going to install any flatpak nonsense ever again. If I understand correctly ProtonPlus just does some setup which should be possible to do manually. I’m going to open a separate thread about manual instructions.
Using wine-staging-tkg 10.7 downloaded through ProtonPlus fixed it for me. No reinstall of bnet was required, I just changed the wine version from Lutris.
Because that’s the thing with ProtonPlus, it’s not another system with its own systems like flatpak, it doesn’t replace anything, it just simplifies installing Proton and Wine versions into other apps, like Lutris.
So ProtonPlus simply gave me a simple interface to easily get the working wine versions into Lutris, nothing more. I’m still using Lutris, nothing else needs to run.
Can confirm! Just fixed my install on OpenSUSE!
https://forums.lutris.net/uploads/default/original/2X/b/b08134a41ba19ec49cddb8f558d5861bb5e1b4e4.png
i have same problem…
I’ve tried everything in this thread and I only got as far as starting Warcraft 3 Reforged with a black screen. Please fix this soon.
I fixed fullscreen issue doing this:
Uncheck the allow system decoration of window box (or smth like this) in wine settings of the game - graphics tab
You are a gentlemen and a scholar!
Thank you so much. I was thinking about installing Windows again. You saved me xD
lifesaver! i tried through bottles and lutris. bottles was being an extra pain. can confirm works on lutris just as you said. i also downloaded the installer directly for good measure. now to see if diablo 4 actually works… when i feel like downloading 145GB XD. not any time soon
I tried Steam’s Proton Experimental as suggested earlier in this thread, and it fixed Battle.net launcher, but one (and only Blizzard game I am currently playing - Diablo Immortal) crashed soon after launching it. So I installed wine-staging 10.8-1 from an official Arch repository (multilib), and there were no issues with the game.
To sum it up - there probably is no need to install a specific program (ProtonPlus) to then install a specific Wine library, official package repositories might already have the needed Wine package (wine-staging) to resolve the issue with Battle.net launcher.
Hello,
so I tried all the mentioned solutions. I downloaded Proton 10 by Steam and wine 10.6-staging-tkg by Protonplus. Copied them into runners folder. Both appear in the lutris starter wine version selection, but I can’t make them to be used as a standard. It will always fall back to the standard version of wine, no matter what I try. I tried to edit the config file, but Proton 10.0 is correctly shown there, it won’t still be used to install. Whenever I hit the script (I also tried to edit the wine versions inside a script and tried to install it manually) it will fallback to wine-ge-26-x86_64, which stays marked as Standard. Really annoying. Always stopping at 45%. Any ideas? 
Tho, i managed to get it installed as a non-steam game, but I want it to be installed by lutris.
Greetings.
Edit: The system package of lutris was installed on Linux Mint 22.1. I switched to flatpak and it runs out of box. Have fun :3
I sincerely wanted to thank the members of this forum and, beyond that, the entire open source community.
It’s in adventures like this that I don’t regret my choices.
Proton Plus and Wine-Staging-Tkg 10.7
have magically resolved the incompetence of some.
Greetings from France.
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I had a black screen with BattleNet despite the solution mentioned above.
I then added BattleNet.launcher.exe to Steam as a non-Steam game and launched it with Proton 10 (Beta).
It started without any issues and is stable.
(AMD Ryzen 5, AMD Graphics Card)
Hi, after switching to Wine Staging 10.6 TKG I’m experiment some shuttering while playing. Anyone else?
I close this thread because the original issue is today resolved:
→ set “GE-Proton latest” as default in Lutris to resolve Battle.Net install issue
→ use “GE-Proton latest” to play WOW, Warcraft III, starcraft etc…
→ If Battle.Net interface is black, enable hadware acceleration in Battle.Net options
If you still have an issue with Battle.Net despite you followed this steps, open a new thread or better, ask for support on our Discord.