How to Solve Windows Defender Error Code 0x80004004 Problem? - Completely Get Rid of This Problem With Simple Solutions

"Recently I found whenever I click the update button, the update for virus and spyware definition failed. It says "check your internet or network connection and try again". But in fact, I have good internet connection. The detailed information reveals "error code 0x80004004". The Action Center also shows two red area and says "Windows Defender is turned off". The Windows Update seems still working automatically, and Windows Defender can be automatically started."

If you encounter Windows Defender Error Code 0x80004004 problem, your PC may have been infected with viruses or your antivirus is conflict with Window Defender. To solve this problem, you are suggested to reinstall your antivirus or choose a reputable or legal antivirus that can be compatible with Windows Defender. If your PC is infected with viruses. For sake of bypass the detections and blocking, viruses usually disable your antivirus or Windows Defender. In this case, you are recommended to adopt effective removal guides to get rid of viruses completely from your PC. You can use our manual removal tips or automatic method with SpyHunter to remove the viruses.

If You Have Windows Defender Error Code 0x80004004 Problem, What Will Your PC Be?

Your PC may become sluggish and vulnerable.

Your PC may become more and more slowly.

Sometimes, your computer screen freeze up to death.

Remove the Viruses Causing Windows Defender Error Code 0x80004004 Completely - Manual Removal Support

To manually delete the viruses causing Windows Defender Error Code 0x80004004, it’s to end all running processes of suspicious programs, unregister DLL files, find out and uninstall all other files and registry entries. Follow the removal guides below to start.

Step 1. Stop all the running processes of the viruses causing Windows Defender Error Code 0x80004004 in Windows Task Manager.

Methods to open Task Manager: 

Method 1. Press CTRL+ALT+DEL

Method 2. Press CTRL+SHIFT+ESC 

Method 3. Press the Start button > click on the Run option > Type in taskmgr and press OK

Method 4. Right click on taskbar > select Start Task Manager option 

Step 2. Open Control Panel in Start menu and search for Folder Options. In Folder Options window, please click on View tab, tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then press OK.

Step 3. Go to the Registry Editor and remove all viruses causing Windows Defender Error Code 0x80004004 registry entries listed here:

Hit Win+R keys and then type regedit in Run box to search

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpUXSrv.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSASCui.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe

Step 4. All viruses causing  Windows Defender Error Code 0x80004004 associated files listed below need to be removed:

%AppData%\<random>.exe
%CommonAppData%\<random>.exe
C:\Windows\Temp\<random>.exe
%temp%\<random>.exe
C:\Program Files\<random>

Step 5. Clear your internet browsing history records, internet temp files and cookies.

Remove Viruses Causing Windows Defender Error Code 0x80004004 Completely - Automatic Removal Support

SpyHunter is an effective, real-time anti-virus program and designed to help the average computer user in preventing their computers from malicious manences. SpyHunter can automatically give your computer optimal protection with limited interaction, now what you have to do is to download and install it for timely and effective protection.

Step 1: Install SpyHunter

1. Download SpyHunter here or click the below button to download the file.

2. Double click on SpyHunter-Installer.exe to install the program.

3. After the installation, click Finish.

Step 2: Fix all the detected threats with SpyHunter

1. Open SpyHunter and click Start New Scan to allow the program to start a scan on your computer.

2. SpyHunter will now start scanning your computer as shown below.

3. When the scan is completed, all the threats in your computer are successfully detected. Click Select All and then click Remove button to uninstall it.

Note: SpyHunter is a legal and useful antivirus program that can give your PC real-time protection. You can download SpyHunter here and run a scan on your computer after its successful installation.

Step 3: Optimize Your PC

If you want to speed up the performance of your computer, remove your privacy items produced by online searches, delete junk files and uninstall malware, you are suggested to have a reliable optimizer such as RegCure Pro.

1. Download RegCure Pro here or click the below button to download the file.

2. Run the RegCureProSetup Application and click the Run button to install the program step by step.

3. When the program is successfully installed, double click on its desktop shortcut to open it. On the Overview tab, check all the scan settings and then click on the click on System Scan button to run a system scan on your computer. The first system scan will take some time, please be patient. The screenshot of the system scan progress is shown below.

4. When the system scan is done, click on Fix All button to completely remove all the performance problems in your computer.