Why Doesn't Android Studio Launch on Windows 7 After Installation (Missing JDK)?

Android Studio installation fails on Windows 7 due to missing JDK

Problem:

When attempting to install Android Studio on Windows 7 with Java 1.7, the installation process completes successfully, but launching the application fails with an error indicating that no JDK was found.

Cause:

The error message suggests that either the ANDROID_STUDIO_JDK, JDK_HOME, or JAVA_HOME system variables are not set correctly.

Solution:

To resolve the issue, follow these steps:

1. Create or modify a system environment variable named JDK_HOME and set its value to the path of your Java Development Kit (JDK) installation directory, e.g., "c:Program FilesJavajdk1.7.0_21".
2. Ensure that the JAVA_HOME system variable is also set to the same path as the JDK_HOME variable.
3. Open the Terminal or Command Prompt and run the following command:

set JAVA_HOME=<path_to_your_JDK_installation>

4. Restart Android Studio and re-launch the application.

By setting the JDK_HOME and JAVA_HOME environment variables, Android Studio will be able to locate and use the installed JDK, allowing the installation to complete successfully and the application to run properly.

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