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The installation fails on Vista with an ’unexpected error’ message.
When I try to install Ruby In Steel on Windows Vista, the Installer shows an error stating: “The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2869.”
This error code indicates that you have attempted to install the software without the Administrator privileges which Vista requires. Try installing again: Select Setup.exe using the Windows Explorer. Right-click and, from the popup menu, select ‘Run as administrator’.