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pcalert / macalert is a fast and easy way to deliver alerts and emergency messages to one or many computers. pcalert / macalert pops messages up in a new window and scrolls the message until it's acknowledged by the recipient, stopped by the sender or expires.pcalert / macalert messages can display for a certain amount of time, send on a schedule, and more.

pcalert / macalert will not affect any other programs that are running and vice versa.

It is designed to work with:

  • Windows XP
  • Windows Vista
  • Windows 7
  • Mac OS X

Quite simply, it's one of the most powerful tools you can use to reach people during emergency and non-emergency situations.


  • Critical messaging right to your desktop.

    Critical messaging right to your desktop.
  • Messages are sent using email, SNPP Protocol or the CriticalComm Portal®.

  • Messages pop up in a scrolling banner window on your monitor. Scrolling banner stays visible on screen

  • Messages can automatically open any webpage or saved HTML document.

    Messages can automatically open any webpage or saved HTML document.

  • No software licensing required.

  • Simple URL based installation.

  • Windows and Mac compatible.

    Windows and Mac compatible.


  • Scalable messaging by computer name or IP addressing.

  • Can be used to notify groups of users about serious weather conditions, tornados, smoke or fire danger, security threats or armed intruders. Receive messages off-site, at home or anywhere with an Internet connection

  • Send long messages visible with the scrolling message format

  • Grab attention with large, configurable text size and color

  • Pop messages through screensavers and active windows

  • Download PC Alert on both Windows and Mac