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Office life can get monotonous, but a little harmless fun can make the workday more enjoyable. The next time your co-worker steps away from their desk, you can try these lighthearted computer-related pranks to mess with them without causing any real harm.
1Fake Windows Update Screen
Want to make your co-worker think their computer is stuck with an endless update? This prank is perfect for when they leave their desk for a short break, like grabbing coffee or using the restroom. UseFakeUpdate.netto display a fullscreen, fake Windows update. Here’s how to set it up:
2Deceptive Desktop: The Ultimate Wallpaper Prank
For a more sophisticated prank, create a deceptive desktop that will leave your co-worker scratching their head. This involves taking a screenshot of their current desktop, setting it as the wallpaper, and hiding the actual icons and taskbar. This prank works best when your co-worker leaves for lunch or an extended meeting. Set it up by following these steps:
When your co-worker returns, they’ll try clicking on the “icons,” which are now part of the wallpaper, leading to confusion about why nothing is responding.

3Spam Them With Weird Ads
4Schedule a Timed Shutdown
If your co-worker steps away without saving their work, this prank can give them a mini heart attack (but don’t worry—it’s completely harmless). Make their computer shut down automatically with a simple command. Here’s how:
5Use PowerShell for Extra Fun
PowerShell is an easy scripting language you’re able to start learning right now. With a bit of knowledge of PowerShell, you can create some hilarious but harmless effects, like making their computer talk or repeatedly opening apps.
You’ll first need to open up PowerShell by holdingWindows Key+Xon your keyboard, search forPowerShell, then hitEnter. Now you may try many different PowerShell pranks using the terminal. Here are a few you can try:

Adjust Mouse Sensitivity
Make your co-worker’s mouse super slow or superfast by using this command:
you may change the value from 1-20 (from slowest to fastest) to set mouse sensitivity. The effect will work after a restart, allowing you to plant the prank anytime of the day. Also, a mouse with DPI buttons won’t help your co-worker because the command hard codes mouse sensitivity.

To revert to the original settings, simply use the same command with the value set to 10, then restart the computer.
Annoy your co-worker by opening Notepad every 30 seconds (or however often you want) by using this command:

This command opens Notepad every 30 seconds 100 times! You can change the time by changing the value of X in-Seconds Xand the amount of times by changing the range of X in1..Xat the start of the command. To stop the prank, you can either restart the computer or close the process manually.
Play Eerie Messages Every Five Minutes
Freak out your co-worker by playing an eerie message over their speakers every five minutes! Here’s the command:
You can change the message by changing the text enclosed with single quotation marks (’ ‘) in the command. To stop the prank, you can restart the computer or end the PowerShell process using Task Manager.

They’ll need to restart or close the processes manually to stop all these commands. These pranks are all safe, reversible, and meant to add some lighthearted fun to your workplace. Just verify your co-worker has a good sense of humor before pulling any of these tricks! Happy pranking!