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Oracle 11g XE Installer

Thanks to Michael McLaughlin for this story

Finally, I got to install Oracle Database 11g Express Edition (XE) tonight. Unfortunately, I ran into an error during the installation. A quick Google search landed me in the forum, where it gave me the impression it wouldn’t work on Windows 7, 64-bit. However, I’m tenacious with problems like this. Here’s the screenshot for the error:

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The text from the image is noted below to help folks find the solution.

The installer is unable to instantiate the file C:\Users\McLAUGH~1\AppData\Local\Temp\{078E83D7-3FCC-4A72-903B-995C7CE44681}\KEY_XE.reg. The file does not appear to exist.

The physical file isn’t missing, what failed to happen was that the installer didn’t write a Registry Key’s Data value. You can add the missing registry key’s Data value, and then click OK on the Error dialog box to continue the installation. It will succeed, at least it succeeded for me on Windows 7 64-bit. Rather than use abbreviations like the forum entry, the missing key is found here in the Windows Registry:

- HKEY_CLASSES_ROOT\Installer\Products\266B7A503A089BE4EAD1986A429434C1\SourceList\Media

A screenshot shows that the Data value of the key wasn’t populated by the MSI (Microsoft Software Installer), the arguments remain for a script to populate:

You need to add the message value from your Error dialog as Data value of the Name entry 1, like this screenshot shows:

Since I believe the only thing that should change is your Administrator’s hostname value, here’s the text you’ll need to enter:

C:\Users\hostname\AppData\Local\Temp\{078E83D7-3FCC-4A72-903B-995C7CE44681}\

This fix worked for me, and I hope the same holds true for you.

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