You can disable user account in Windows 7. If there are multiple account exits in your system then you want disable Administrator account disable without deleting or removed user account the you can do it without loss data. when Administrator account will be disabled then it will not be show on log on screen.
Disable User account in Windows 7
1. Click on Start Button , then Right-click on My Computer and then Click on Manage .
2. In the Computer management Windows, navigate Local user and Groups , then Click on User and then in the Right pane Right-Click on the Administrator then Click on Properties.
3. In the Properties windows , Click on General tab , then Click on Account is Disabled check Box , then Click on Apply and then Ok.
Now on the Log on screen Administrator windows will not be Show………….