Error "There is no script engine for file extension" when running .js files

Symptom When you attempt to run a .js (JScript Script File) file, one of the following errors may occur: Can’t find script engine “JScript” for script “filename.js“. There is no script engine for file extension “.js”. Resolution This happens if the .js file class data is missing or incorrect. Follow these steps to resolve the problem: Instructions for Windows Vista or Windows 7 (tested and it works in Win7) Open an Elevated Command Prompt window. To do so, click…

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