How to protect your PC or LAPTOP from hacking :

HACKING : 
Step 1  : Reboot your machine.

Step 2 : Press F8 before the Windows boot screen appears. Do not press F5 as used on the NT/9x ser of Windows. You will be be prompted with a boot options menu.

Step 3 : Select the Start Windows in Safe Mode option.

Step 4 : Click through several self-explanatory screens until your reach the familiar 'Welcome' screen.*Note that this welcome screen is limited to 256 colors and 640x480 resolution because the primary graphics will have been set to the Windows Safe Mode software VGA adapter. You will not be able to change this mode even in Display options, while Windows is running in Safe Mode.

Step 5 : Find the icon for the Administrator user.

Step 6 : The Safe Mode Welcome screen might display some of the other users on your system.

Step 7 : Login as the admin.

Step 8 : Press Yes at the prompt asking if you would like to continue using Safe Mode.

Step 9: Continue on to the User Settings control panel. Here you can change any of the other passwords for user on the machine. Make any changes you want.

Step 10 : Reboot your computer. As long as you don't press any keys (e.g. F8) during the boot-up the computer will startup normally.

Step 11 : Login as the user for which you set the password.

PROTECTION :

Follow the above steps and set a password for ADMINSTRATOR. The next time when you run your machine in safe mode it’ll ask the password for ADMINISTRATOR account also.