On some servers the installation of templates or extensions doesn't work in Joomla 2.5, although you have set all directory- and file permissions in the right way. You realize that, if Joomla reports following message during the installation.
Warning: Failed to move file!
Reason for that, can be wrong directory- and file permissions or the classical www-run problem, if your hoster runs Apache as module. In this tutorial we show you, how you can solve this problem by the run of PHP as fastCGI, its advantages and disadvantages.
After the Installation of Xmap, a SEO Sitemap Component for Joomla, it is possible that Joomla don't display Xmap in the components of your Joomla 2.5 Administration. The easiest way to know that is, if Joomla reports after the installation of Xmap following message:
Another Menu item with the same parent has this alias
Error building Admin Menus
The installation of Xmap was indeed successfull, but Xmap will not displayed.
This error occurs, if you try to install Xmap again, after a failed installation. Then, you have two options to solve this error.