Solved the problem of pcAnywhere!

After PCAnywhere is restarted
Enter the user name during connection
The password contains an additional domain
But I have not set a domain.
I have also tried several common domain names.
None
Now I cannot enter the server.
Depressed!
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After checking information on the Internet
And ask friends
Solved
It may be that Windows verification is integrated after the restart.
Windows authentication is preferred.
Enter Administrator as the user name.
The password is old.
Leave the domain empty
You can connect
I learned another trick.