To Respected User,

Because the driver software has programs that read and write system files, some anti-virus software or firewalls will mistake it for a virus file,
resulting in failure to download or open it after downloading.
We can ensure that the drivers you download on the deli official website are safe. 
Please turn off the antivirus software and firewall when downloading and installing the driver. 
You can search for the corresponding shutdown method on the Internet or consult your network administrator until the driver is installed. 
After completion, start the antivirus software and firewall.

Deli Group Co., Ltd.