Captain Kill Switch

Captain Kill Switch Team·CaptainKillSwitch.CaptainKillSwitch

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

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.

winget install --id CaptainKillSwitch.CaptainKillSwitch --exact --source winget

Latest 0.2.98·July 21, 2026

Release Notes

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).

Installer type: wix

x645E05255BA3ADFB2D2671D5D9E2AAA6124311B83DC14B5A2F67FA71501206313F

Details

Homepage
https://captainkillswitch.com/
License
Proprietary (free)
Publisher
Captain Kill Switch Team
Support
https://github.com/captainkillswitch/downloads/issues
Copyright
Copyright (c) 2026 Captain Kill Switch Team
Moniker
captain-kill-switch