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KB41052 - Safari 11 is unable to launch Pulse Secure component using Pulse Secure Application Launcher (PSAL) due to Allow prompt for PulseApplicationLauncher.app disappearing too quickly

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Last Modified Date11/20/2017 9:25 PM
Synopsis
This article describes an issue where Safari 11 is unable to launch Pulse Secure components (i.e. Pulse Secure Desktop client, Host Checker, etc.) using Pulse Secure Application Launcher (PSAL) due to the Allow prompt for PulseApplicationLauncher.app disappearing too quickly.
Problem or Goal
When attempting to launch any Pulse Secure component with 8.2RX and above using a Safari 11 browser, the following message will appear and disappear after one (1) second:
Do you want to allow this page to open “PulseApplicationLauncher.app”?
Example:

User-added image

If Allow is not selected, PSAL will not launch the Pulse component and remain on the Searching for Application Launcher loading screen:

User-added image
Cause
This issue is due to a behavior change in Safari 11. In previous Safari releases, the Allow prompt would remain until the end user selected Allow or Cancel.
Solution
Pulse Secure is working with Apple to understand the root cause. We apologize for the inconvenience caused by this issue. Please continue to monitor the following article for the latest information on the issue and fix.

Workaround:

  1. After attempting to launch any Pulse Secure component, quickly hitting the Enter key will click the Allow option and properly launch PSAL.
  2. Use Firefox or Chrome browser to launch any Pulse Secure component. The following issue applies only to the Safari browser.
Related Links
Attachment 1 
Created ByK. Kitajima

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