So it happened that I had to install a fresh copy of the Android SDK for windows when I discovered that even though I had the Java Development Kit (JDK) x64 installed, it was not recognized by the windows installer. So after trying to set a new environment variable called JAVA_HOME so that I can force the installer to see my installation of JDK, it failed and I had to result to one thing that every sane techie does, consult Google. As usual, there were lots of trial and errors until someone figure a “hacky” way of doing it.
1) Ensure that you have downloaded and installed JDK x64 which should come with either Java SE 6.5 or Java SE 7.
2) Open windows advanced settings by pressing “Win + R” and typing “sysdm.cpl“. When the windows appears, click on the “Advanced” tab and click on “Environment Variables” button. Now click new under “System Variables” and enter:
Variable Name: JAVA_HOME
Variable Value: <The Path to your JDK root> e.g. “C:/Program Files/Java/jdk1.6.0_35″
Note the way I changed the backslashes to forward slashes (i.e from C:\Program Files\Java\jdk1.6.0_35 to C:/Program Files/Java/jdk1.6.0_35) .
3) Now run the Android SDK windows installer and voila, it works again.
Hope you found this useful? Try it and give me your feedbacks regarding this in the comments because I have seen a lot of hits on this subject matter especially those using Windows 7/8 x64.
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