When I "switch user" under Windows 7, I get the following message:

Another instance on BOINC Manager is already running
on this computer. Please select a client to monitor.

Host name:
Password:

What do I use? I've tried the login/password of the first user to log on (i.e. the one that is already running BOINC). I've also tried "localhost" with no password.

I installed with the "allow all users to access" option checked (don't remember the actual wording of the check box).

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When you do not use a GPU, you're better of to install BOINC as a service. That works better than the user install + "Allow all users on this computer to control BOINC". As ticket [trac]#1025[/trac] shows, this bug has been here for at least 3 years and is still in the upcoming client (7.2.x).

An easy way around is to not use the fast user switching, but instead log off the one user, log on the next. Of course, any user account added after you installed BOINC, will not be in the list of allowed users.

In any way, the host name is either nothing, localhost, the IP address of the computer, or the name of the computer, but if the latter two, they must be specified in the remote_hosts.cfg file.

The password is either nothing, or the password in the gui_rpc_auth.cfg file. The 32 character random password in here can be changed for a password of your own liking. When doing so, do not end with a carriage return (Enter).

BOINC needs to be fully restarted after you changed the password in gui_rpc_auth.cfg
BOINC needs to be fully restarted after you added either the IP address or computer name to remote_hosts.cfg

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