Thank you for your response.
Using theinstallationCD, I chose theuninstall option. The only thing thathappens isthat awebpage with anhtmlcode appears.
I also triedto installagain immediatelychosereinstall.
Hekeeps asking formy serial number, when Iingeef, he indicates that the codeis incorrect (and it is definitely the correctcode).
Could youhelp me?Thank you very much.