Bug ID 689398: F5VPN crashes on Logout from Webtop due to KB4041681/KB4041691

Last Modified: Nov 07, 2022

Affected Product(s):
APM-Clients APM(all modules)

Known Affected Versions:
14.0.0,,,,,, 14.0.1,

Opened: Oct 18, 2017

Severity: 2-Critical


After installing KB4041681 or KB4041691 from Windows Update, package users may see an error dialog that indicates that an application exception has occurred when closing some applications. This can affect applications that use mshtml.dll to load web content. The failure only occurs when a process is already shutting down and will not impact application functionality.


Crash on exit. No functionality impact


Client system is Windows 7 and KB4041681 is installed Client system is Windows 10 and KB4041691 is installed User clicks logout on Webtop when f5vpn is running.


As a workaround, uninstall KB4041681 (Windows 7) or KB4041691 (Windows 10).

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips