Hi Nugiemynugie,
Are you on a managed network. If yes please go through the steps mentioned in the kb: http://helpx.adobe.com/creative-cloud/packager.html .
Site/Port information used by Creative Cloud for teams and Creative Cloud for enterprise
The following host/port combinations may need to be whitelisted when logging in with an Adobe ID to download, install, and activate licensing for applications via a Creative Cloud membership.
- ccmdls.adobe.com:443
- ims-na1.adobelogin.com:443
- na1r.services.adobe.com:443
- prod-rel-ffc-ccm.oobesaas.adobe.com:443
- lm.licenses.adobe.com:443
- ccmdl.adobe.com:80
- swupmf.adobe.com:80
- swupdl.adobe.com:80
Regards,
ROmit Sinha