I had this problem with STS version 3.2.0-RELEASE for x64 for Windows 7. It worked for me, which is also described here :
- Check
eclipse.ini and make sure that the path to the VM points to the bin directory of your JDK or JRE, and not to javaw.exe. For me, the argument is D:/Development/Languages/Java/Development Kit/bin/ - Disable Eclipse from the taskbar or remove the shortcut
- Run
eclipse.exe in Windows Explorer and select a workspace - Close Eclipse in the taskbar after loading the splash screen and when the main window is displayed.
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