During my tests, using Proton 10 beta from Steam with Lutris deleted all my Battle.Net wineprefix.
Also if you are have problem with black screen launching game through battle.net (for lutris), install DXVK v2.6.1 through ProtonPlus and change in the lutris, it helped for me
I could finally make work my sc2! Thanks everyone that helped me on this thread.
- Installed and run ProtonPlus
flatpak install com.vysp3r.ProtonPlus
flatpak run com.vysp3r.ProtonPlus
- Installed
wine-10.7-staging-tkg(with10.6-staging-tkgalso worked ok though) for Lutris. The problem is with some outdated HTTPS certificates (if I’m reading correctly the output of Agent.9124 logs). - Changed on Lutris default wine to that one installed.
- Installed battle.net with the bottle on Lutris. (ignored the mono installation here).
- If you have multiple monitors you might experience some wonkiness on where starcraft shows and where the mouse “is detected”. For XFCE I found a practical solution to make the “bottom panel” hide “intelligently”. Another thing that might happen (workaround) is to move the StarCraft 2 window with ALT drag window to the correct position.
Confirmed this fixes the blackscreen
My BNet & WoW is working but each time I launch WoW it’s not really full screen. It’s somewhat “capped” to the space before my taskbar. I have to go into options and set my resolution to 1080p and then it’s fine. I have to do this each time I start the game.
It’s a minor annoyance I guess but I never used to have to do this till I updated to Wine-10.6-staging-tkg-amd64. I was getting the “agent is asleep” issue before updating. I’ve played like 100hrs in the past few months so this is entirely a new issue. If anyone has a solve for this start up issue in WoW I’d appreciate it.
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This happens to me under certain circumstances. I have two systems, both with Arch, one with KDE as the DE, and one with COSMIC Epoch as the DE. Other than one system being a desktop (KDE) and the other being a laptop (COSMIC), the installs are virtually identical.
It only happens with KDE, and only when using wine-staging or Proton. It doesn’t happen on my laptop with COSMIC DE no matter what version of WINE or Proton I’m using, or when using GE-Proton (when GE-Proton worked with Battle.net). I’ve found switching from Windowed (Fullscreen) to Windowed and then back to Windowed (Fullscreen) fixes it temporarily.
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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