In order to disable messenger in Windows 7, you need to either uninstall it or stop it from starting with your computer. I suggest stopping it from starting. To do this, click on your start menu and...
Right click on My Computer>Manage>servicies and apllication>servicies now you will get all the servicies in righat pane then choose RPC in general option you will find startup type in that you have...
you plainly find your parents password somehow, you don't have to find it out, you can change it. Go to CMD (command prompt) and type: net user Now after the 'net user' you type the name of the admin...