Hi there, I have an issue on my Windows computer. After I boot up my computer, I can receive a virus warning from a program called Windows Defender, it claims that there is an error on my system and the code is 0x80073afd or 0x80040202. I can’t close the message as it can always pop up. Is it a real message that shows me my computer is in great damage? How can I check about that? Please help!

Brief Introduction to Fake Windows Defender Error Code 0x80073afd / 0x80040202

If you keep getting the message about Windows Defender error code 0x80073afd/0x80040202 on your computer, you need to be cautious as your computer is targeted by a rogue anti-virus program. Windows Defender is a free anti-virus program that created by Microsoft. It helps many PC users against virus attacks. But nowadays, cyber hackers utilize the name of this powerful anti-virus program to create malware to attack innocent computer users. We have learnt that many victims complain that they keep getting the error messages from this unreal Defender when they go online. The errors show the code 0x80073afd/0x80040202 and give users that their systems are greatly damaged by viruses. Do not believe what the errors say, it is a trick made by hackers to deceive inexperienced computer users.

The Screenshot of This Fake


It is easy for cyber hackers to spread this Fake Windows Defender with error code 0x80073afd/0x80040202 on the Internet. As a fake anti-virus program, cyber criminals can forge it to be a real one with spurious description. Those bad crooks can upload this fake program to some unsafe websites so that users can be lured to download. Also, this fake program can be bundled with other programs which are commonly used by people. Once people download and install the corrupted programs to their systems, this fake antispyware can sneaks into the machines at the same time.

When this Fake Windows Defender with error code 0x80073afd/0x80040202 infiltrates target computers, it will take control of the entire systems as it can modify the system registry with its vicious data. Whenever people boot up the infected computers, they will get this fake virus alert once they get the desktop loaded. From the fake message, people can be told that their system are compromised and attacked with different kinds of viruses. The real Windows Defender can help people remove viruses freely. However, this fake anti-virus program will ask people to pay a great amount of money for activation. Also, some unknown phone numbers can be shown and tell people that if they want to get help, they need to call the numbers. If people call the numbers, they will be told by hackers that their systems need to be checked remotely. Don’t trust that, if you let the hackers take control of your system, your personal information can be stolen and the condition of your system can be in great damage.

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 Fake Windows Defender with error code 0x80073afd/0x80040202. 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 On Window XP, if you can deal with XP problems easily then you can also do the work on Windows 7 or Windows 8)

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 Internet WatchDog, 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 the suspicious program, 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:


Do not trust this Fake Windows Defender with error code 0x80073afd/0x80040202, it is a bad program created by cyber hackers with evil purposes. It claims that your system is infected with viruses and you can get help from calling an unknown number. If you call them, you will be told to allow those guys to connect to your computer. Don’t let them do anything on your computer! The whole thing is a complete hoax. Your computer can be implanted by more and more computer viruses if those cyber criminals come to your computer. When you get this fake Defender message on your computer, you must take it off from your computer as soon as possible, otherwise you will suffer from endless problems and troubles during the use.

Suggestion: To follow removal guide that mentioned above, a quite level of computer knowledge is needed. Still can’t get out of this Fake Windows Defender with error code 0x80073afd/0x80040202? Contact online experts for help now!

Published by Tony Shepherd & last updated on August 27, 2016 1:13 am

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