winget install --id CaptainKillSwitch.CaptainKillSwitchAbout Captain Kill Switch
Captain Kill Switch is a free system-tray utility that closes every running application in one click - a clean close request first, then a firm stop within two seconds. An allowlist model protects Windows system and session processes. Tiny native app, auto-updates, 10 languages. Anonymous usage statistics only; see https://captainkillswitch.com/privacy.
What's new in 0.4.1
Windows: the app no longer needs the WebView2 runtime at all. The tray is now a native Windows implementation, so machines without (or with a broken) WebView2 runtime start correctly instead of failing silently. - Same tray menu, kill behavior, exclusions and two-second force floor. - Installs upgrade in place; auto-update from 0.3.x works unchanged. - macOS: the installer now correctly states the macOS 10.15 minimum.
Version history
| Version | Updated | Notes |
|---|---|---|
| 0.4.1 | Unknown | Windows: the app no longer needs the WebView2 runtime at all. The tray is now a native Windows implementation, so machines without (or with a broken) WebView2 runtime start correctly instead of failing silently. - Same t... |
| 0.3.3 | Unknown | macOS-only feature release; the Windows build carries the shared changes. - The sweep's one-time "ways to help" note now appears on the tenth sweep of an install, once, and never opens anything by itself. - No change to... |
| 0.2.98 | Unknown | Immutable installer mirror for v0.2.98. Checksums in SHA256SUMS.txt. End users should install from https://captainkillswitch.com — these fixed-version assets exist for package managers (winget/AUR/Chocolatey). |