Change Action Center settings via command line

It was driving me crazy, too. I found the answer in a comment from Troy Dallas on thurrott.com:

Once you get the Disable apps to help improve performance notification:

Go to Control Panel -> Security and Maintenance (right click on the Start Button and Left click on Control Panel to jump straight there).

Once opened under Maintenance (middle of the window) you will see the notification box with a Blue link at the bottom of the notification. Click that link Turn off messages about startup apps.

Important Note: The notification has to be in the Notifications Window before it will appear in the Security and Maintenance section.

There is no direct command to do that but you can use a script like this one.

Create a new text file, paste this code in it:

Option Explicit
Dim WshShell:Set WshShell=CreateObject("Wscript.Shell")
WshShell.run "rundll32.exe shell32.dll,Control_RunDLL wscui.cpl", 1
Wscript.Sleep 1000
WshShell.SendKeys("+{TAB}")
WshShell.SendKeys("+{TAB}")
WshShell.SendKeys("+{TAB}")
WshShell.SendKeys("+{TAB}")
WshShell.SendKeys("+{TAB}")
WshShell.SendKeys("+{TAB}")
WshShell.SendKeys("+{TAB}")
WshShell.SendKeys("+{TAB}")
Wscript.Sleep 10
WshShell.SendKeys("{ENTER}")

Save it under this name wscuisettings.vbs. double click on the file.