First, look at the FAQ Mike referenced.
Second: If you have your shared folders shared to “EVERYONE,” then the User ID you provide is “Anonymous.” The password should be left BLANK.
If you have PASSWORD PROTECTED SHARING enabled on your Win7 box, then you provide the User ID and password you use to log on to your Windows box.
If you PREVIOUSLY supplied a password to the WDTV that it is now remembering, you can go to OPTIONS / NETWORK SETTINGS / and select “Clear Login Info for Network Shares” and it will set it back to the default of ANONYMOUS and blank password.
