Installation / update
Error: 'Could not create directory, Warning! Failed to move file'
Check your directory premissions:
'help' > 'System info' > 'Directory Permissions'
All least these folders should be writeable:
You can also enable the FTP layer and try to install again.
Error: 'Path does not point to a valid folder' 'Could not find a Joomla! XML setup file' 'File...does not exist'
You are probably dealing with a corrupt download. Both Symantec and McAfee are known to corrupt downloads with certain settings. They can also corrupt the extensions send and received by email. So try this: go to the download area, disable the firewall/virusscanner, download the file, enable the firewall/virusscanner.
How to update?
Install the component over any previous version using the Joomla installer. All settings will remain in the database.
Do I lose my settings and configuration when updating or upgrading?
No. All configuration and settings will remain in the database.