I get an error "installation ended prematurely" when installing Grapher. How can I do a silent install?

This article provides steps to work around the "Installation ended prematurely because of an error" error message when installing Grapher.

Q:  I get an error message Installation ended prematurely because of an error when trying to install Grapher. The program will not install. How can I get around this?

A:  Below are the directions on how to do a silent install. Please try this option. If it does not work, please send the LOG file to tech support at


To silently install Grapher, follow these steps:

  1. Click the Windows Start button and select Run or click the Start Search box.
  2. Type the path to the Grapher installation file, similar to:

“c:\path_to_exe\Grapher(12.0.607)_Full_Download.exe” /s


This will install Grapher to the default directory with the default options. To create a log file, use the /L switch with the name of the log file. To change the installation directory, use the TARGETDIR switch with the name of the directory where you want to install. This would look like:

“c:\path_to_exe\ Grapher(12.0.607)_Full_Download.exe” /l=”c:\path_to_log\grapher.log” TARGETDIR=”c:\Custom_Path\Grapher 12” /s


Updated July 7, 2016

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