If an error occurs during uploading of the files, check:
•Are all login data configured? Check your password - see screen Hosting Settings or Own Server Settings
•Is Online Activation selected in the screen Options Activation
•Do you have a Firewall installed? - Disable the firewall and try again.
If you are using a MAC computer in combination with Parallels change the following configuration setting:
If the upload still generates an error, upload the files manually - see chapter Manually Upload Files.