I have the answer!
Hide/Unhide User Accounts that are displayed on the initial Welcome Logon screen~this is for when you are using the 'Use Welcome Screen' option to log on and off that displays all the user accounts.
~Special Note: If using the Tweak UI for XP (Power Toys) Then you must hide the accounts you want hidden from there. It seems that going into the registry and adding the DWORD below had no affect when the Tweak UI was installed and being used. I did both to make double sure..:>)!
Start Regedit
Go to HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ Winlogon \ SpecialAccounts \ UserList
Add a DWORD with the name of the user account you want to hide
Make sure it has a value of 0 and to unhide it give it a value of 1
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Using the XTeq Tweak Manager to hide only the Administrator Account
Open Xteq Tweak Manager and Go to: Startup/shutdown, startup, Windows NT/2k/XP, Inside Login Window, welcome Window ADMINISTRATOR VISIBLE.
~This is only to hide the administrator account. Use the above methods described to hide other accounts.
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An Extra Goodie! Logoff or Switch Users Fast With One Click!
I found this and its a life saver if no one knows about your 'secret account' and they come walking in suddenly and you dont have time to click start/log off/ and click switch user.
Shortcut to Switch Users Fast~
To create a shortcut that will automatically switch users:
go to desktop, right mouse click, and click on 'new shortcut' give it a value of: %windir%\system32\rundll32.exe user32.dll LockWorkStation
AND/OR
Shortcut to Logoff your user~
To create a shortcut that will automatically log you off, close all your open apps and take you back to the 'Welcome Logon Screen':
go to desktop, right mouse click, click on 'new shortcut' and type in the box: logoff.exe
After making these shortcuts you can drag them onto your
Quick Launch Toolbar for the fastest access to it...
...can you say 'paranoia'..
...what was that noise!!!...click...poof...safe...lol
Note: I dont know if this works on other OS other than Windows XP!
How to Logon the Hidden User Account
On the Welcome Logon Screen press
Ctrl alt del two times and an alternate logon screen will appear where you can type in your 'hidden' user account name and password.
Note: A glitch I noticed when using the 'Fast Switch User' method described in the previous post: After switching users either the fast shortcut way or the normal 'click start, log off, switch user method...back on the welcome screen the Ctrl alt del does not seem to work to bring up the alternate logon screen. Restarting the puter will fix this. This does not happen when I log off my hidden user account (not switch user...LOG OFF) Pressing Ctrl alt del 2 times on the welcome screen to bring up the alternate logon screen will still work.
Of course, this might only be a glitch with my system with all the reg tweaking I've done, but in anycase if I find a solution to that I will update here.
Other Notes: Once an account is hidden it will no longer appear in the User Accounts Screen (Start/Control Panel/User Accounts)
Unless you are logged in as that user, then it shows.
Hidden accounts do show in the Computer Management screen. Computer Management can be accessed a few ways: Right mouse clicking on the 'My Computer' icon and clicking 'manage' or going to your administrative tools and selecting Computer Management. To conceal my hidden accounts there I right mouse clicked on my user accounts and renamed them to something like 'Sony Tech Assist' or 'Microsoft Trouble Shooter' and typed in a bogus discription. Most people do not suspect anything or dare futz with items that look 'important'. What ever you renamed your hidden account to you can still use whatever name you originaly had to logon or you can use the bogus name you changed it to in computer management just as long as you
dont change the name in the 'full name' section when you doubled click on the user account. You have to right mouse click and choose rename. Another place you're account is revealed is in C:\Documents and Settings where all the folders are listed for the accounts. Even though no one even other administrators will be able to open the folders, they will be clued in that there are other accounts if they are puter savy. When I figure out a way to hide them there as well I will update this message.