When you run a Quiet-mode Internet Explorer install on a system that alreay has this version of IE installed, your
users may get the following warning:
Setup has detected that the newest versions of Internet Explorer components are already installed. To exit Setup without making any changes, click Exit. To reinstall the current version of Internet Explorer, click Reinstall.or the installation may terminate.
The following procedure may help:
1. Use regedt32 to navigate to:
HKEY_CURRENT_USER\Software\Microsoft\Active Setup\Jobs
2. Add Value name ReinstallFlagQuiet, a type REG_DWORD entry, and set the data value to 1.
Here is a list of Internet Explorer setup switches:
Switch Definition
--------------------------------------------------------------------------
/q Quiet mode - Skips all user prompts
/qu User Quiet mode - Shows some dialog boxes
/qa Admin Quiet mode - Does not show any dialog boxes
/t:path Extracts the files to the specified path
/c Extract only - Extracts the files without
installing them
/c:path Change location of Setup file - Specifies the path
to the Setup file if it is different from the
default path
/r:n Never restart - Do not restart the computer even
if it is necessary to complete the installation
/r:i Restart if necessary - Automatically restart the
computer if it is necessary to complete
installation.
/r:a Always restart - Always restart the computer after
installation
/r:s Silent restart - Automatically restart the computer
without prompting the user
/n:v No version checking - Install the program over any
previous version
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