msaardk.exe 

Switch Description 
/Q
Quiet Mode. Bypasses all prompts (except the System Reboot prompt), error messages, and file extraction animation.
/Q:A
Assumes user is admin and does no checking for admin rights, disk space,etc. No prompts and no errors.
/N:V
Skips the Internet Explorer version check
/R:A
Always restart and prompt user with restart choice.
/R:N
Never restart. This overrides any INF settings in your installation program
/R:I
Restart if needed (that is, if any system files need to be updated) and prompt user with restart choice. This is the default for Active Accessibility
/R:IS
Restart if needed but do silently, without prompting the user
/R:AS
Always restart, silently, without prompting the user

