How to Temporarily Lock your PC when Someone Enter Wrong Password..

When you are away from your desk somebody (colleagues,friends) may try to login into your computer by guessing your password.We will use windows security settings to temporarily lock your computer if wrong password entered more than couple of times.This will make it harder to guess your password as after 3 wrong passwords your system will get locked for 30 minutes
How to Lock your PC when After Wrong Password Attempt:-

    In the Start up search box type Local Security Policy and press enter.

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    From the left window pane expand Account Policies and select Account Lockout Policy option in it.
    Now in the right window pane look for the Account lockout threshold option and double click on it.

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    A new window will be open and give the value after how many invalid password attempts you want to lock your computer.

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    Click on Apply button and a window will be open telling you Account will lock down for 30 minutes. You can also change the time settings by clicking on the Reset account lockout counter according to your need.
    Now click OK.

That’s it. Now your computer will be temporally locked for some time that you had set in the settings when someone will enter wong password.

How To Disable Autoplay USB or CD/DVD Drives..

When an external media like CD/DVD or USB is plugged into your windows computer it automatically suggests applications to open the content.Before opening you should always scan the external media with your antivirus to prevent Viruses and trojans.If Real Time protection is not enabled in your antivirus and you open content using Autoplay then your computer will be vulnerable to virus attacks.
How To Disable Autoplay USB or CD/DVD Drives:-

    Click on Start button and then on Run (or  press Window+R button).
    Type gpedit.msc in the Run Command and click on OK.

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    In pop up window select Administrative Templates under Computer Configuration section from left window pane and double click on Windows Components in right window pane.

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    Now look for the AutoPlay Policies and double click on it.

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    Now double click on Turn off Autoplay.

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    In the pop up window select Enabled button and in Turn off Autoplay On section select CD-ROM and removable media drives.

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    Now click on Apply button and then on OK button.

That’s it now when you will insert any USB or CD/DVD drive in your computer then it won’t be launch automatically.