install xshell，xftp <You can't access this shared folder because your organization's security policies block unauthenticated guest access. These policies help protect your PC from >

You can‘t access this shared folder because your organization‘s security policies block unauthenticated guest access. These policies help protect your PC from unsafe or malicious devices on the network.

https://www.cnblogs.com/jinanxiaolaohu/p/11442046.html

install xftp:  https://www.netsarang.com/en/version-7-open-beta/?gclid=EAIaIQobChMIgcLW85X87AIVh0NgCh0kGwswEAAYASAAEgJWEvD_BwE

https://blog.csdn.net/xdshust/article/details/82998102

https://www.techcrumble.net/2018/03/you-cant-access-this-shared-folder-because-your-organizations-security-policies-block-unauthenticated-guest-access/