If your system was only one active user account and password for it is not specified, then the logon will be done automatically without any additional settings. Therefore, one possible way of solving the problem - remove all the users except one. But such a radical option is not desirable, as many programs rely onwhenmeasures framework ASP.NET which automatically creates when you install a separate hidden user on your system.The other method requires you to log on with administrator rights. After you log in, start the dialogue "Run program" in the main menu on the "start" button, select "Run" or press the key combination WIN + R.
In the input field, type (or copy and paste from here) "control userpasswords2" (without the quotes) and click OK or press Enter. This command works the same in Windows XP, Windows Vista and Windows 7. Also, in Vista and Seven you can use the command "netplwiz" (without the quotes).
This will open a window titled "user Accounts". You need to select the desired user and remove the check mark next to Require entering a user name and password" located above the list. Then click "OK".
This will open a window with the title "Automatic logon" where you have to enter the password and click "OK". If the account selected user no password - leave this field blank.The configuration of automatic login in system.
Warning: you need to remember that when you use automatic login, everyone including your computer gets unfettered access to everything that is contained on the disks on your system and access the settings of your account.