Fix Windows 10 Update errors and installation errors

0x800705b4 Error – Fix in Windows Update and Windows Defender

How to fix 0x800705b4 error code

In this tutorial, you can read the symptoms, reasons and best-proven methods to solve the error code 0x800705b4. In addition, this page will teach you how the system can be protected and files are being damaged.

This error code can be for Windows Update and Windows Defender. Unsolved with this error, the computer may be slow or even cause an accident. If you are troubled by the error now, do not feel frustrated because you can handle it easily.

0x800705b4 error


The Error 0x800705b4 which can be quite common for a Windows computer and the same code can be viewed with different error messages in different circumstances.0x800705b4 is hexadecimal data format and it is a common way to display errors for Microsoft Windows.

Computer users should not ignore such errors, even if there is no such a big deal. But the end result can be a recession or crash of the computer or loss of data if it not fixed. This article provides a step-by-step guide to solving the frequent error in Windows Update and Windows Defender.

Windows update error code 0x800705b4


Windows Update (WU) is a service provided by Microsoft and its functions are being updated with operating systems and Microsoft Office, Windows Live Essentials etc. Generally, the operating system is configured to download and install Windows updates automatically. Computers are connected to the internet and there are available updates.

windoFix Windows 10 Update errors and installation errors

What causes 0x800705b4 Error?

  • Operating system failed to update itself
  • Windows system files are damaged or systems are corrupt.
  • Update service is not configured as automatic update
  • Registry error
  • Virus or malware attack


Many times, users ignore errors and continue to use computers that are not appropriate. This Windows Update 0x800705b4 error can be a disaster for your computer.

If you can not resolve the error with an effective solution, you are more likely to face more computer problems. For the purpose of information security and computer performance, you should end the issue as soon as possible. There are several methods in this section, please read it.

Method 1: Run an SFC scan for system

Generally, if you do not have a clue what to do to get rid of the Windows Update error, then it’s a smart choice for running SFC for your system. It is a free tool and it is capable of fixing many common system errors. SFC enables users to find corrupt Windows system files and repair them. As we all know, after the system files are damaged or lost, the computer will not be able to perform it already.

Step 1

Start the command prompt, click the “Start” button and type “cmd” in the search box and you can see its icon. Right-click it and select Run as administrator.

If you are asked to give an administrator password or confirmation from the UAC, then enter the password and click Allow

Step 2

Now you can see the command prompt where you can type and copy “SFC / scannow” and press the Enter key.

The process of scanning all protected system files and fixing corrupted files begins; Do not close the command prompt before the process is complete. If Windows Server Protection has not found any integrity violation then you will receive the following message:

  • Windows Resource Protection Could Not Perform Requested Action
  • The Windows resource protection corrupt files found and successfully repaired them.
  • Windows resource security found corrupt files but was unable to fix some of them

Method 2: Perform system restore

Reinstalling the system is really an efficient and intelligent choice to fix any problem in the current system situation. System backup usually completes when the Windows was in the drain and was exempt from errors. Note Backup important files in system segmentation before restoring the system Also, if your system has never been backed up, skip this method.

The system can support the programs offered by Windows as well as backup programs, as most users prefer the first one, because third-party system backup software such as ASOS system restore makes the task easier and more flexible Eassos System Restore provides a 15-day free trial and you can download and backup your backup wizard on the backup system and the ending part tells about backup windows with EASOS system restoration is. The following section shows how to reinstall the system with the built-in utility window.

Step 1

Click on the “Start” button and type “System Restore” in the search box. Right-click the System Restore in the list of results and choose Run as Administrator. This device is also be found in the control panel.

Step 2

Choose a time point to restore a system Here you can recommend reinstatement or restore specific, and depending on the actual situation you can choose.

Step 3

Review the restore point and click Finish.

Method 3: Update system to latest version

Although the computer is set to automatically install updates, sometimes it fails to do this for a few reasons, for example, poor network connection, in that case, the updates to manually restore the 0x800705b4 problem can solve.

Step 1

Click on the “Start” button and select Control Panel. Choose System and Security and click on Windows Update.

Step 2

Click “Check for updates” on the left side of the panel and update the latest system to Windows.

Method 4: For Windows 10 users to remove 0x800705b4 Error

If you are using Windows 10 and are experiencing a system update error code 0x800705b4, please try the following steps

Step 1

Update the Windows Defender from the Safety Center. To find Windows Defender, click on Start button -> Settings -> Update and Security -> Windows Defender.

Step 2

Go to Windows Update and click “Advanced Options“. Click on the option to receive updates for other Microsoft products.

Step 3

Restart the computer and check again for updates The update process will be done without a problem. When you receive the message “Your device is up-to-date”, click on “Advanced Options” and re-check the updated options for Microsoft programs.

Step 4

Check the update once more and now you should be able to download and install them. Then update other programs.

Other solutions found online for 0x800705b4 Error

If you are seeing this error after trying the above methods, then your problem may be due to other factors. It is normal that the solution can be different from the user by solving this error, so I list the other solutions online And I hope they can work for you.

  1. Try the Windows Update Troubleshooter This tool is made available for free by Microsoft and you can download and run it to fix the issue in Windows Update including service pack. Users have on-screen instructions for this and after being launched, it is able to automatically identify and correct the existing problem.
  2. Disable Windows Defender, firewall, or any third party antivirus software, and then retry system updates.
  3. Disconnect any non-essential device such as web design, printer, USB flash drive, unless these devices update and then run Windows updates again.


The error prevents Windows Defender from working without defect and facilitates the virus to penetrate. Therefore, it should be decided to ensure the system is a safe environment. It used to get rid of the error due to many reasons because users can vary from user to user. There are two most suggested solutions in this section.

Windows update error 0x800705b4

Disabling your third party antivirus software quickly solves this issue. Some times cleaning registry and using registry editor which can sometimes remove this issue. There won’t be any data loss.

We need do a clean boot and performing a clean scan to fix the errors. Even when you download products you need to cross check that the products when I update are scanning themselves and performing a reboot.

Back up Windows

For many computer users, nothing bad will happen if the system is bad and you have to restore it. During that process, you have to spend a lot of time in restoring the system and drivers for the hardware.

For all the issues for users related to back up of windows the solution is Eassos. Eassos system restored.

It is easy to use system backup software to get the system back in many clicks of the mouse button. This program has an intuitive wizard and restores process for backup. It used by specialist users and beginners users.

Step 1

Eassos System Restore and install its boot options on your computer

Step 2

Launch the backup software and click the backup button from the main interface.

Step 3

Click the “Next” button to start the system backup. Before that, you can click on “Options” to configure advanced settings, such as storing the system image, compressing image files, setting up a password, etc. If you do not know what to do with these options, then you follow the default settings.

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