When you install the Lalicat client, if your anti-virus software reports Lalicat is a virus software, how to deal with it?

You should set Lalicat browser software as a whitelist so that the anti-virus software will not report an error.

Here are some anti-virus software ways to set whitelist:

Bitdefender: https://www.bitdefender.com/consumer/support/answer/13425

WeRoot: https://docs.webroot.com/us/en/home/wsa_pc_userguide/Content/ManagingQuarantine/BlockingOrAllowingFiles.htm

Trend Micro: https://success.trendmicro.com/dcx/s/solution/1057800-excluding-a-file-or-application-from-the-anti-malware-scan-of-worry-free-business-security-services