It seems to me like it's trying to log in with this account rather than asking for my login info. There are a lot of results for this message on Google but they all just describe different ways of enabling the Guest account, which defeats the purpose of creating that limited account with a password in the first place. V_v\\shugo is not accessible. You might not have permission to use this network resource. Contact the administrator of this server to find out if you have access permissions.
Logon failure: the user has not been granted the requested logon type at this computer.
The account already has all the permissions it should need: Access from the network, log on through terminal services, and log on locally, but it seems like it's not even getting to the point where that account would do anything. It's just trying to log in with some other account.
The same account with the same password exists on this machine.
There, now that I've asked for help, it's only a matter of time before I fix it. <_<