If there is a chaining between QlikView applications, a dialogue box from the QlikOcx to approve the launch might appear.
'Approve Application for Launch'
The dialogue can be disabled by doing following in the IE Plugin
A configuration needs to be made to the users' Settings.ini file located in %userprofile%\AppData\QlikTech\QlikView on the client computer.
You will need to add OverrideLaunchSecurity=1 under the [Settings 7] section if it is not present.
If OverrideLaunchSecurity=0 is present, change the 0 to 1. After the Settings.ini file has been successfully updated, save the file.
To summarize, as this setting needs to be configured on every client, you will need to use a deployment solution in order to apply it to every user in the company.
The recommendation is to use the Group Policy Object if you have an Active Directory environment.
Create a script to add this line in the settings.ini file when the user logon to his computer.
Here is an example how to setup a logon script with a PGO : https://www.petri.com/setting-up-logon-script-through-gpo-windows-server-2008