سلام

در این مورد در فایل readme-upgrade.txt کاملا توضیح داده شده :

FOLLOWING APPLIES FOR UPGRADES FROM CB 1.2 releases on Joomla 1.5:

SUMMARY OVERVIEW OF CB UPGRADE ON JOOMLA 1.5 ENVIRONMENT
--------------------------------------------------------
1) Install new CB component (com_comprofiler.zip) from
your CB 1.4 distribution package.
There is no need to previously uninstall component - code will upgrade
automatically.
2) Install new CB Login module (mod_cblogin.zip package)
from your CB 1.4 distribution package.
3) Install new CB Workflow module (mod_comprofilerModerator.zip package)
from your CB 1.4 distibution package.
4) Install new CB Online module (mod_comprofilerOnline.zip package)
from your CB 1.4 distribution package.
5) Run CB Tool checks on CB database.
6) Done!

Note: This method preserves all installed user plugins and parameters.
Only core code files are updated.

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