Sep 02, 2019 07:26 AM|Yongqing Yu|LINK
According to your description, the error 12031 is largely caused by poor internet connection and failure to obtain files from the FTP server however, sometimes the error may be caused by invalid registry entries and outdated drivers. Furthermore, it
may also be a Firewall issue.
To solve this issue, you can try these methods:
Advanced Computer User Solution (manual restore):
Novice Computer User Solution (completely automated):
For more details, you could refer to these links :