Unable to download the operating system installation files.
This error occurs while downloading a virtual appliance using the Parallels Installation Assistant.
NOTE: to download Windows 10 installation image manually visit this page.
- Check your Internet connection. If you are using Wi-Fi or mobile network, connect the computer to Internet using Ethernet cable to ensure network stability.
- Do not close the lid of your portable Mac when downloading.
- Click OK on the error message and click Resume.
- Try to download virtual appliance's distribution files once again.