Help! I can’t access explorer anymore. This Windows Defence Unit stops me to do anything on my laptop. It says that my computer has many viruses and threats. However, I can’t switch to another anti-virus program on my computer to have a double check. Does it block my computer for the safety? And I am asked to pay for this program so that it can help me remove those threats. Should I pay?

Brief Introduction to This Program

When you can see Windows Defence Unit on your computer, please do not trust it at all. It is not a legit anti-virus program. Recently, a lot of computers get infected by this virus. Why we call it a virus? Because it has the same traits with other fake programs like Windows Protection Booster, Windows AntiVirus Tool. They all come from fake antispyware family and are classified as computer threats by computer experts. However, many people still believe that this program is a useful protection tool. Hackers who design this fake program can also forge a professional description for it to convince people. Cyber hackers can publish this fake program on some websites for people to download, and due to the name of this rogue program, it is much easier for it to spread to thousands of computers than other computer viruses. Also, this fake program can pretend itself as an optional program in other free programs. Once people install the infected free program into their computers, people can be cheated to install this fake at the same time.

The Screenshot of This Fake


Windows Defence Unit can start its malicious work right away once it is installed in the computer. In order to stop other anti-virus program, it can modify to system registry so that it can ban the other one from the registry, in this case, the legit anti-virus which has already installed on the infected computer can be disabled. Also, this fake can add itself into the registry so that it can be activated on startup. The system firewall can also be disabled by this rogue program. All these processes are secret without computer user consent. With such a low security level, the computer can be in a serious situation that is can be infected by more other viruses and Trojans. Computer can be totally messed up if this fake cannot be removed as soon as possible.

Once this Windows Defence Unit is installed and activated, it will pop up its window to the computer user. After that, it can start a full scan on the computer and will not allow PC user to pause or close it. About 2-3 minutes later, the result can be given to the computer user. It will show that there are many viruses and other infection in the computer and the computer is at risk. To make it be more convincible to computer user, the interface of this fake are disguised like a professional program. People can be threatened by seeing so many threats on their computers, and are willing to get them removed. That comes to the main purpose of this rogue program. People can be asked to purchase the program to full version so that it can help. Hackers use the phony virus warning messages to cheat people to pay. At the same time, those crooks can collect the bank details from unwitting people and get more illegal incomes.

The properties of the Infection

-Always pops up once you boot up your computer or run a program, claiming your computer is in great risk
-Asking you to purchase a code to activate this software, so that it can help you to remove the threats in your computer
-Can modify the computer registry once it is installed into the computer
-Can prohibit legit program to run, including your anti-virus programs.
-Can occupy a great usage of CPU, which slows down the performance of computer or even causes blue screen.

Finding all or some of these symptoms on your computer, sorry to say that your computer is infected by Windows Defence Unit. Please contact YooSecurity Online PC Experts for manual removal guide. Also, we will provide a short removal guide below for computer literate.

Manual Removal Guide of Fake Anti-virus Program (For Computer Literate)

There is a removal guide provided here; however, expertise is required during the process of removal, please make sure you are capable to do it by yourself.

Step 1: Try to access the Safe mode with Networking.

In order to get into this mode, you should restart your infected computer and then press F8 key constantly before windows launches. Use your arrow keys to highlight “safe mode with networking” and then press Enter.


For those computer which are XP operating systems, you will need to you choose your XP system after you choose safe mode with networking, you can press Enter directly without choosing any thing.

safe mode system choose

After loading files, you need to log in your account to get the safe mode with networking, for XP users, please choose Yes when you see the dialog.


Step 2: Find Ctrl, Alt, and Delete these 3 keys and then press them together to open task manager to end the process related to Windows Defence Unit, the name of the process of it is random.

XP task manager

Step 3:Click on Start button at the right lower corner, then click on Control Panel, then you will come to the Control Panel windows, click on Add and Remove Programs.


Then try to find Windows Defence Unit, highlight it and choose Remove.


Step 4: Click on Start button or press Win+R, then type regedit in the box to open Registry Editor, after that, try to find
C:\Users\profile name here\AppData\

Video Guide on How to Remove Rogue Program:

YouTube Video Removal Guide:


Windows Defence Unit is a fake anti-virus program that cheats people to pay for the fake help by removing those phony viruses and threats. It can shut down the real anti-virus programs and firewall. Also it can block people to do other things on the infected computer. The only one purpose for it is to force people to pay. Computer can be messed up if this program cannot be removed in time, and many other viruses and threats can invade to make further damages to the infected computer

Suggestion: To follow removal guide that mentioned above, a quite level of computer knowledge is needed. Still can’t get out of Windows Defence Unit? Contact online experts for help now!

Published by Tony Shepherd & last updated on April 10, 2014 4:01 am

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