Appearance of the message “Computer is locked. Only an administrator can remove the lock”can be caused by several reasons, one of which is the use of a damaged or non-existent screen saver program.
Necessary
Windows XP
Instructions
Step 1
Press the Ctrl + Alt + Del function keys at the same time to unlock the computer screen when a message appears stating that the computer is locked user_domain and specify the login and password information for the account of the most recent computer user.
Step 2
Confirm your choice by clicking OK and wait until the "Unlock computer" window disappears.
Step 3
Press the Ctrl + Alt + Del function keys again and log in.
Step 4
Use the Microsoft Windows Recource Kit for Shutting Down Your Computer to display the System Shutdown dialog box if you cannot identify the user who has locked the computer.
Step 5
Do not proceed until the new Windows Operating System dialog box appears.
Step 6
Simultaneously press the function keys Ctrl + Alt + Del until the screen saver is initiated and proceed with the login procedure.
Step 7
Click the "Start" button to bring up the main menu of the Microsoft Windows XP operating system and go to the "Run" item to perform the procedure for changing the damaged screen saver that causes the computer screen to lock.
Step 8
Enter regedit in the Open field and click OK to confirm the command to run the Registry Editor tool.
Step 9
Expand the HKEY_USERS. DefaultControl PanelDesktop registry key and specify the Scrnsave.exe parameter.
Step 10
Expand the Edit menu on the top toolbar of the editor window and select the Edit command.
Step 11
Enter the value logon.scr in the text box and confirm the command by clicking OK.
Step 12
Specify the ScreenSaverlsSecure option and return to the Edit menu at the top toolbar of the editor window. Specify the item "String".
Step 13
Select String and enter 0 in the text box.
Step 14
Confirm your selection by clicking OK and close the Registry Editor tool to apply the selected changes.