If you have downloaded 64-bit Eclipse and a 64-bit JDK/JRE, check the availablity of javaw.exe for 64-bit.
In my case it was in
I have extracted Eclipse to the
c:\eclipse folder; within that the
eclipse.ini file is available. Replace the contents of that file with the following:
Leave the new line in between the -vm flag and the value. It worked for me.