Hey there,
Sorry for not being able to response to your query on time.
Hoping that you have got this issue resolved by now? If you are still looking for the resolution, then check couple of things mentioned below-
1- If you don't wish Acrobat Reader DC to be launched automatically, then you may disable it from Startup menu. Here are the steps-
Windows-
- Press Win-r . In the "Open:" field, type msconfig and press Enter .
- Click the Startup tab.
- Uncheck the items you do not want to launch on startup. Note: ...
- When you have finished making your selections, click OK.
- In the box that appears, click Restart to restart your computer.
Mac-
- Choose Apple menu > System Preferences, then click Users & Groups.
- Select your user account, then click Login Items at the top of the window.
- Remove a login item: Select the name of the item you want to prevent from opening automatically, then click the Remove button - below the list.
2- If it still doesn't help, then you may check the application's behavior in "Hidden Admin" account.
Steps for how to create Hidden Admin-
Create a "Hidden Administrator" user account following the steps shared below and launch the application in that.
1-Hold the Windows Key while pressing “R” to bring up the Windows Run dialog box.
2-Type: net user administrator /active:yes
3-Press “Enter“.
Replace “yes” with “no” to disable the admin account on the welcome screen.
Thanks,
Akanchha