Oracle Database error stopped at step 8 of 12

Hi there,
I have removed Oracle 11g Database last year and when I want to reinstall it again this error message appear. How can I solve this error ? Is there a way to fix this without reinstall my Windows or Oracle ?
Thank you experts !

Oracle Database 11g Release 2 Installer – Installing database – Step 8 of 12
[INS-32025] The chosen installation conflicts with software already installed in the given Oracle home
