What is the reason "You may not have permission to use network resources"?

That's because that computer doesn't give you permission, if you can set it. \x0d\ on his computer: \x0d\ 1. Right-click "My Computer"-Manage-Local Users and Groups-Users-Enable Guests (Note: the effect of enabling guests here is the same as that in the control panel-User Account. The difference is that after this is enabled, the guest in the panel still shows that it is not enabled, but if the guest in the panel is enabled, it will be enabled here. ) \ x0d \ x0d \ This is generally enough. If not, then: \ x0d \ x0d \ 2 .. Go to secpol.msc and start "Local Security Settings"-"User Rights Assignment"-delete the guest user in "Deny access to this computer from the network". \x0d\3。 Go to secpol.msc and start "Local Security Settings"-"Security Options"-"Network Access: Access and Security Mode of Local Accounts"-Change "Classic" to "Guests Only". \x0d\4。 Enter secpol.msc to start deleting users in Local Security Settings-User Rights Assignment-Reject as Server and Batch Job \x0d\ Note: The above settings will take effect after restarting.