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Did you try running as administrator or from an elevated cmd prompt?
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Did you try running as administrator or from an elevated cmd prompt?

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Can't run the MSI as an administrator but I have tried from an elevated command prompt and no luck
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Can't run the MSI as an administrator but I have tried from an elevated command prompt and no luck

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Using this guide: <a href="http://www.itninja.com/software/microsoft/microsoft-mathematics-add-in-for-word-and-onenote/2-3147" rel="ugc">http://www.itninja.com/software/microsoft/microsoft-mathematics-add-in-for-word-and-onenote/2-3147</a>&nbsp;I extracted the contents of the Microsoft Mathematics .exe file into a temp folder, and used msiexec to start an unintended installation, the problem that I'm having is this:<br />
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msiexec starts to run and works perfectly until it gets to 'Writing system registry values' at which point I am given the following error message.<br />
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&quot;Could not write value AdminDisableSxS to key \Software\Microsoft\Mathem<wbr />atics\Stan<wbr />dalone\4.0<wbr />. Verify that you have sufficient access to that key, or contact your support personnel.&quot;<br />
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I have tried this on two separate machines, both running Windows 7 x64, one a fresh install and one existing installation. &nbsp;If I run setup.exe and follow all of the prompts, Mathematics installs fine so the msi is clearly missing out on something but I can't figure out what...
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Using this guide: http://www.itninja.com/software/microsoft/microsoft-mathematics-add-in-for-word-and-onenote/2-3147 I extracted the contents of the Microsoft Mathematics .exe file into a temp folder, and used msiexec to start an unintended installation, the problem that I'm having is this:

msiexec starts to run and works perfectly until it gets to 'Writing system registry values' at which point I am given the following error message.

"Could not write value AdminDisableSxS to key \Software\Microsoft\Mathematics\Standalone\4.0. Verify that you have sufficient access to that key, or contact your support personnel."

I have tried this on two separate machines, both running Windows 7 x64, one a fresh install and one existing installation.  If I run setup.exe and follow all of the prompts, Mathematics installs fine so the msi is clearly missing out on something but I can't figure out what...

Error when installing Microsoft Mathematics silently.

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