Why my download assistant always attention me about network problem?

why my download assistant always attention me about network problem?
but my network is ok,i can use the internet
how can i solve this problem?

Hi and welcome to the forum,

Make sure, your antivirus or firewall doesn’t block a communication with the servers, please.

I have closed the network firewall and anti-virus software, and reinstalled the download assistant. I still prompt the network problem……

I have closed the network firewall and anti-virus software, and reinstalled the download assistant. I still prompt the network problem……