Windows 7: Help with User account issues!!

Just today I turned on my PC and it came up to my login and requested my password. What used to happen was I got a screen that showed 3 different user selections. Mine, my daughters and the guest account. Now all I get is mine and I have a switch user button below the login. If I click that I get a screen asking for username and password. I can enter my daughters name and login fine but when I go back to switch users it take me to her login and I have to click on the switch user again and enter all my info. What happened here?? I want to get the screen back that showed all available user selections when booting up, logging off or switching users. Please help !!

Dear All,
Found a solution which worked for me. Only time will tell if the fix is permanent.
I opened the registry by going to “Start” and typing “regedit” in the search box. When “regedit” was found, I double click on it. You need to find “ProfileList” the location is as follow:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList].
When found right click on it and export that section of the registry as a backup.
Compte the number of “dword” strings and compare it with the number of accounts created including the administrator. Delete every string which is not related to an account. You will find the user account name under “ProfileImagePath” (IE: C:\Users\Xxxx).
Remember do not delete a string associated to an existing account and do not forget to make a partial backup of the “ProfileList”.
Close the registry editor and log off. You should see all user accounts will reappear magically.
you can put back the strings you have removed one by one and perform a re-start to verify if the welcome screen is still working. If not just remove that section. I have manage to isolate what was making it to switch in to a single logging. the string is as follow:
-----------------------------------------------------------------------------------------------------------------------
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\S-1-5-21-1919079831-909762712-388609869-1007]
"Flags"=dword:00000000
"State"=dword:00000000
"Sid"=hex:01,05,00,00,00,00,00,05,15,00,00,00,97,d5,62,72,98,e0,39,36,4d,b7,29,\
17,ee,03,00,00
"ProfileLoadTimeLow"=dword:00000000
"ProfileLoadTimeHigh"=dword:00000000
"RefCount"=dword:00000001
"RunLogonScriptSync"=dword:00000000
-----------------------------------------------------------------------------------------------------------------------
If it does not work, right click on the partial backup registry file and select merge. This will restore any modification made on the registry.
Et voila.

Go into safe mode by tapping F8 key as soon as you have turned on your PC. Select Administrator account which is bulit in the Safe mode and from the Control Panel select User Accounts. Delete and remake every one of them, and that should work.

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