Lock PC temporarily when someone log your computer with wrong password without using any softwares(Windows 7 only)

I'm going to show you "How to lock PC temporarily when someone log your computer with wrong password". Most of us always saved important data, files, documents... on our computer.If we away from our PC, somebody may try to login into our system by guessing the password.

To avoid this problem we can lock our PC temporarily by using "Windows Security Setting". By
using this option, our PC will lock automatically if someone entered wrong more than 3 times. This will make hard to guess the password to the particular person. If the person entered more than 3 wrong password, PC may get lock for next 30 minutes.

How to:

Click on Start Menu
Type Local Security Policy
Now click on "Local Security Policy"


From the left Windows Panel expand Account Policies
Then Double-Click on Account Lockout Policy
After that Double-Click on Account Lockout threshold

A new Windows will appear

In that Windows give the value after how many invalid password login attempts you want to lock you pc.


Now click Apply


Enjoy :)