Upgraded 7.7.5

the upgrade wizard ends on a whole blank page after press next. i have the version 7.6.4 and sugar version 6.5.23.

Ho w I can fix this problem? I would like to install the new version.

Regards,

Carlos S.

check your permissions;
check your logs for errors
there are many pages here in the forums with similar issues, search that also

Good luck!