(1. Enable the guest account. "Control Panel - User Accounts - Enable Guest Account" 2. Install the NetBEUI protocol. Check the properties of "Network Neighborhood" - check the properties of "Local Area Connection" - click "Install" - check "Protocol" - see if the NetBEUI protocol exists, if it does not exist, install this protocol, if it does not exist, it indicates that it has Installed the agreement, the agreement is already installed under the acquiescence of the winxp system.)