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"A website wants to open web content ... TWINUI" message, when tryinging to launch Controller-on-Cloud via Internet Explorer

Troubleshooting


Problem

User launches Internet Explorer, and types in the URL to the Controller on Cloud webserver.
User authenticates to that website ("Citrix StoreFront"), and is presented with their program icon:
image-20190513133809-1
User clicks on the Controller client, and receives the message "Do you want to open or save xxxxx.ICA from ...":
image-20190513133940-2
User clicks 'Open' and then gets this message:
image-20190513134034-3
Internet Explorer Security
A website wants to open web content using this program on your computer
This progrem will open outside of Protected mode...
<...>
Name: TWINUI
Publisher: Microsoft Windows
[]Do not show me the warning for this program again
[Allow] [Don't Allow]
If the user clicks 'Allow' a black screen appears.

Symptom

Black screen:
image-20190513134243-4

Document Location

Worldwide

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSMRTZ","label":"IBM Cognos Controller on Cloud"},"Component":"","Platform":[{"code":"PF033","label":"Windows"}],"Version":"All Versions","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]

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Document Information

Modified date:
12 October 2021

UID

ibm10884262