Updating your Joomla website depending on what version of Joomla you have can be a tricky time consuming process. There are many variables to consider. Let's take a look at those variables.
- Are you using a template from RocketTheme or YooTheme? What version of the template are you using? Not all templates will upgrade. So, if you upgrade to Joomla 2.5and your template does not support it, your website will be trashed.