I checked my account, and there is a correct email. In fact, it added the suffix +old at the end of the first part of my email. That was at the beginning of the installation.
You can try steps on following link to change email address for your Adobe account https://helpx.adobe.com/digital-publishing-suite/kb/changing-id-email.html
If it does not help you can contact Adobe customer care to get this sorted out.
Thanks for your help . Changing email don't work, and contacting support only from monday to friday... i'll wait until monday.
Adobe chat support is available 24x7 you can contact Chat support for instant help.