Available on winget

Install Captain Kill Switch

Close every running application in one click from the system tray.

Install with winget

winget install --id CaptainKillSwitch.CaptainKillSwitch

Upgrade

winget upgrade --id CaptainKillSwitch.CaptainKillSwitch

Uninstall

winget uninstall --id CaptainKillSwitch.CaptainKillSwitch

Package details

Package ID: CaptainKillSwitch.CaptainKillSwitch
Publisher: Captain Kill Switch Team
Latest version: 0.2.98
Manifest updated: 2026-07-30 00:42:29 UTC
License: Proprietary (free)
Homepage: Open site
Support: Get support

About 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 0.2.98

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).

Read release notes

Version history

Version	Updated	Notes
0.2.98	2026-07-30 00:42:29 UTC	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).