Step 1th: Use the shortcut key to start key +r, open the Run window enter "Gpedit.msc" and enter the Group Policy manager.
2nd step: On the left side of Group Policy Editor, open Local Computer Policy Computer Configuration Windows settings security settings Local Policy user rights Assignment, click User Rights Assignment, and then in the right window, locate and double-click deny access to this computer from the network.
(Figure 1-2 Deny access to this computer setting from the network)
Step 3rd: In the open deny access to this computer from the Network window, locate the guest user, and the deletion is to allow the guest user access to the native.
Note: If the guest user is denied access to the local computer from other computers on the local area network, see if there is a guest user here, and if there is no need to worry about him, if not, click "Add User or group" to join the guest user and make sure.