If you faced problems importing demo content, please, make sure that your php.ini settings are not less than:
max_execution_time = 60
memory_limit = 256M
post_max_size = 64M
upload_max_filesize = 64M
You can contact your hosting company for more details and assistance on it.
NOTE : After you start import process when you receive the blank page or 404, follow the steps below:
- Just refresh the page
- The browser will say that will resend the data to server, press Yes,
- Repeat (3-4-5-6 times) this process until you receive the successful message.