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I installed Mathematica 9 on my Windows 7 system (installed the font patch afterwards so the BSOD are gone) but the "Extras" package installation fails claiming it can't de-install the Mathematica 8 packages.

I de-installed Mathematica 8 and tried re-installing Mathematica 9 again but it keeps claiming the Mathematica 8 add-ons can't be removed. At the end CDF (amongst other stuff?) is not working in the browser.

Any thoughts?

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hi, when you say 'add on' do you mean like the 3rd part applications one buys from the WRI store? wolfram.com/products/fields Because I bought few of these and was getting ready to install them for V9 (they now run under V8). Will try one now and see if it works or not. Which one did fail for you? (I am not sure I understand the last part where you said CDF is not working ) – Nasser Dec 3 '12 at 14:12
Actually I just checked my Version 9. The addons are automatically there. It seems no need to re-install an add on again. V9 can see where they are. They show up in the documentaion center. This is nice actually, I thought I had to install them again. Tried one. help comes up ok. no problems. Windows 7, V9 post-patch. – Nasser Dec 3 '12 at 14:16
Hi @Nasser, No I mean the add-on during the standard install. I also believe that they're labeled extra packages but I'm not sure. It's the part where CDF browser plugins get installed. – Lou Dec 3 '12 at 14:16
For Mac: when opened, the Mathematica 9 .dmg image includes the installer includes a separate item "extra packages" – murray Dec 3 '12 at 15:47
(I didn't edit soon enough my preceding comment to complete it. Here it is:) For Mac: when opened, the Mathematica 9 .dmg image includes, alongside Mathematica.app itself, an `Extras.pkg" for installing the browser plug-in and indexing add-on. For Windows, and this was for Mathematica 8, after you ran the installer for Mathematica itself, you were then prompted whether to install the extras. – murray Dec 3 '12 at 15:57

1 Answer

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I fixed the problem by de-installing Mathematica 9. Then I re-installed Mathematica 8 which gave an error message about the deinstall msg fle not being present. However the installation continued. Then I de-installed the extra package through the control panel (with windows) first and then de-installed Mathematica 8. After that I removed all directories described at http://support.wolfram.com/kb/4730 Then I reinstalled Mathematica 9 (with the latest package). No more errors! However the CDF browser plugin is only installed for Chrome. No idea why because IE is my default browser. I suppose I can install the plug-in for IE from the Wolfram site but I'm doubting if it's not better to wait a bit.

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