Launching a published browser application opens the local version instead rather than opening within the Virtual Desktop session. (Ex. Internet Explorer)

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In order to stop the behavior of a published application launching locally rather than launching within the virtual desktop session, you need to set the client vPrefer feature to "Disabled" and set the published application property "LocalLaunchDisabled" to "True".

You can do this through one of the following methods:

Client-side Through GPO

1. Add the receiver.admx/adml template files to the local GPO. Please visit this link for details: https://docs.citrix.com/en-us/citrix-workspace-app-for-windows/1912-ltsr/getting-started.html
2. Once you have imported the template files, open the Citrix Workspace app GPO administrative template by running gpedit.msc.
3. Under the Computer Configuration node, go to Administrative Template > Citrix Component > Citrix Workspace > SelfService.
4. Select the vPrefer policy.
5. Select the Disabled radio button.
6. Click Apply and OK.
7. Run gpupdate \force from the command line. 
8. Restart the session for the changes to take effect.

Site-level Application Setting Through Powershell:

1. Run powershell as admin on the delivery controller
2. Run the following commands:

• asnp citrix*
• Get-BrokerApplication -PublishedName Name* | Set-BrokerApplication -LocalLaunchDisabled $true
• Get-BrokerApplication -PublishedName Name*

For more information, please refer to: https://support.citrix.com/article/CTX232210

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Problem Cause

LocalLaunchDIsabled was set to FALSE causing local launch of applications

https://support.citrix.com/article/CTX232210