Windows Support #2388

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1. tzarebczan commented on Jul 22, 2026

   

   tzarebczan

   on Jul 22, 2026

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   A good chunk of it should be addressed in #2247 - then a few other PRs can be rebased/fixed after.

   Happy to help fix/test other windows issues in the meantime!
2. mwherman2000 commented on Jul 22, 2026

   

   mwherman2000

   on Jul 22, 2026

   Last edited by mwherman2000

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   #2401 [Bug] Buzz_0.4.22_x64-setup_alpha-unsigned.exe fails trying to install the Claude Code ACP on Windows 11

   👍React with 👍2Reacted by tom and SonicDreamWalker
3. baxen

   added sub-issues on Jul 23, 2026

   • [Bug] codex setup fails on windows #2238
   • [Bug] Can't continue setup process after installation (Windows) #2239
   • [Bug] Windows: Codex model discovery times out / empty models (cold start >10s) #2261
   • [Bug] Trouble installing Buzz #2274
   • [Bug] <Bug Title Here> #2292
   • [Bug] Windows: managed-agent harness fails to launch — runtime PATH override drops system Node ("node" is not recognized) #2327
   • [Bug] WSL terminals spawned by Buzz (Windows) #2328
   • 1. [Bug] Windows: Codex ACP setup reports a current adapter as outdated #2342
   • Windows 11: ACP adapter installation fails for both Claude Code and Codex #2343
   • [Bug] windows: claude runtime turns fail with spawn EINVAL (CLAUDE_CODE_EXECUTABLE set to a .cmd shim) #2397
   • [Bug] Buzz_0.4.22_x64-setup_alpha-unsigned.exe fails trying to install the Claude Code ACP on Windows 11 #2401
   • Add real background/tray mode (don't kill agent sessions on window close) #2412
   • [Bug] Buzz Desktop leaves large numbers of terminal/console processes running (not cleaned up after agent tasks) #2413
   • [Bug] Couldn't install on Windows 11 -- unspecified failure to install on Claude install step. #2417
   • Windows: desktop notifications can never be enabled — "Desktop notifications are blocked. Enable them in your system settings." #2445
   • [Bug] Buzz/Windows 11: Agents have stopped responding after the first couple messages #2450
   • Windows: background process spawns flash visible console windows over the UI #2490
   • Windows: buzz_managed_node_bin_dir has no Windows arm — harness adapter install fails with "no managed Node.js runtime" #2491
   • Windows: _ensure-sidecar-stubs Justfile recipe omits the .exe suffix Tauri requires for externalBin #2492
   • Windows FIX : ACP adapter installation fails for both Claude Code and Codex #2407
4. jhedlund commented on Aug 26, 2026

   

   jhedlund

   on Aug 26, 2026

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   I'm happy to take a look at some of these, the big ones biting me right now are notifications #2445 and minimize to tray #2412. Since there are PRs for #2445 but not merged yet, I'll start with #2412.
5. jhedlund commented on Aug 27, 2026

   

   jhedlund

   on Aug 27, 2026

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   PR up for #2412: #6893 Windows only, hides the main window on close and adds a notification-area icon to get back. macOS and Linux are unchanged.
6. Virgile-pct commented on Sep 26, 2026

   

   Virgile-pct

   on Sep 26, 2026

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   Since this thread asks for testing from people with a Windows setup: I compared three of the open PRs for #2445 (desktop notifications) on a packaged Buzz 0.5.25 install. Each was built on desktop-v0.5.25 and swapped into %LOCALAPPDATA%\Buzz, with a "Remind me later" as the trigger and delivery checked in Windows' own notification history.

   • fix(desktop): deliver Windows notifications and clear false "blocked" banner #6678 and fix(desktop): stop treating the Windows notification shim's startup "denied" as final #7275 work until Buzz restarts. After a relaunch the toggle still shows on, but nothing is sent, because the plugin shim's "denied" is read back as "default". Reviews: #6678, #7275.
   • fix(desktop): enable Windows-native winrt/toast notifications and make them reliable #7614 doesn't start on an install from the official setup: the setup hook panics on S_FALSE from IPropertyStore::SetValue, because the installer's Start Menu shortcut already carries the AUMID. With that one case accepted, it's the only one of the three that keeps working after a restart. Review: #7614.

   I haven't tested #5600, #6638, #6689, #6876 or #7738. Happy to run the same checks on other candidates or on a fix branch.

   @jhedlund you mentioned #2445 was next on your list, so this might save you some time.

   👍React with 👍1Reacted by Bernhard Kaindl
7. jhedlund commented on Sep 28, 2026

   

   jhedlund

   on Sep 28, 2026

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   @Virgile-pct Thanks, I've been using #6689 for #2445 since August and it's working fine for me, but I haven't done any other work on it. My #2412 PR has been working good for me on Windows since I pushed the PR. Happy to test anything else.
8. Virgile-pct commented on Sep 28, 2026

   

   Virgile-pct

   on Sep 28, 2026

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   Thanks! Good to know #6689 has been working for you. #7614 builds on it (#6689 plus the startup and first-toast fixes discussed there), so if you get a chance to run 25a6032 on your machine, a second Windows data point would help the maintainers.

   One thing I'd be curious about on #6689: does it still notify after fully quitting Buzz and relaunching it, without touching the toggle? From the diff it reads permission through the plugin's isPermissionGranted(), which on #6678 and #7275 came back as "default" after a relaunch here, so nothing was sent until the toggle was flipped again. With your tray PR the app rarely restarts, which could hide it. I haven't built #6689 itself, so I may be wrong.
9. jhedlund commented on Sep 28, 2026

   

   jhedlund

   on Sep 28, 2026

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   @Virgile-pct I've restarted my computer a few times and quit buzz desktop a few times and haven't noticed missing notifications. I will test #7614 though since it builds on it.