Eclipse doesn't start after crash

After a crash on Windows 7, my beloved Eclipse environment wouldn't start again! It just hung there, showing nothing but the Splash screen. eclipse -clean didn't help, monitoring files with Sysinternal's ProcMon or 'handle.exe' didn't help - quite devastating... But finally I found the solution here:

1. cd to your Eclipse home directory
2. cd .metadata/.plugins
3. ren org.eclipse.core.resources BAK (Keep this directory around)
4. Restart Eclipse, ignore the error message.
5. Close all open editors tabs !! (in my case, playing with the .xsd file editor caused the issue)
6. Exit Eclipse.
7. del org.eclipse.core.resources (Delete the newly created directory.)
8. ren BAK org.eclipse.core.resources (Restore the original directory.)
9. Restart Eclipse.