[Solved] Microsoft Security Essentials and Windows Updater Error 0x800705B4

remove Windows 10 update error 0x800705b4 If your Windows system is displaying error code 0x800705b4 while using Windows defender or Microsoft Security Essential or using Windows updating tool then you are at the right place, in this blog you will learn how to fix Windows 10 Updater and Windows 10 Defender Error Code 0x800705b4.

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Once this error will affect your system then it make you unable to install Windows Update successfully in Windows 10, don’t worry as you can easily deal with this issue without need of any professional knowledge.

About Error 0x800705b4

Error 0x800705b4 is one of the common Windows 10 update error that appears when you try to update or download any available update. This type of error can appear and affect the update process, it also happens when user try to update Windows Defender update.

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There are lots of common causes that can generate Error 0x800705b4, if you are one who are suffering from this update error then simply apply the below given tricks to fix the error 0x800705b4.


Tricks to Fix Windows 10 Update Error Code 0x800705b4

In order to solve Windows 10 Updater and Windows 10 Defender Error Code 0x800705b4 there are lots of fixes available over the Internet. Some common fixes are: Execute DISM tool, apply sfc/scannow command, take help of Windows Update Troubleshooter, also try to reset Windows Update components manually, turn off antivirus software, and more.

If you want to fix 0x800705b4 error with the help of below given solution then first you should know one thing; as the causes might differ for each case so that different tricks are apply to each computer owner. So, apply all the given solution until you get 0x800705b4 error removed.

Below the solution is given from the very general to advance order. According to some review you can fix this bug by turning off Windows Defender, disabling anti-virus software and more.

In addition, it’s always recommended to use a professional PC optimization tool to verify any kind of registry issues, damaged system files, outdated system drivers and more.


Trick 1: Try to Reboot Windows Update services


Step 1: Open Run dialogue box by pressing Win key + R, and type services.msc and then hit Enter key.

Step 2: Find Windows Defender service.

Step 3: If Windows Defender’s the status is not indicated or blank then right-click on it and choose Start.

Step 4: If the step 3 ends up with an error then search Startup Type, and set it to Automatic.

Step 5: At last, reboot the system and try to run the update.


Trick 2: Modify Update & Security settings

Step 1: Go to the Start -> Settings -> Update & Security -> Advanced options.

Step 2: Search for the option Give me updates of other Microsoft products when I update Windows and uncheck it.

Step 3: Verify for Updates and Run the ones that are available.

Step 4: If you are able to install the updates successfully then repeat the first two steps, except that you have to mark the Give me updates of other Microsoft products when I update Windows option.


Trick 3: Run sfc /scannow

Step 1: Open command prompt with administrator privilege, to do this: press Win key + X and choose Command Prompt (Admin).

Step 2: Now in the command prompt, type sfc /scannow command and hit Enter key.

Step 3: This command will take few minutes to execute the scan and repair issues.

After completion of this process reboot the system.


Trick 4: Run the DISM Tool

Step 1: Open command prompt with administrator privilege, to do this: press Win key + X and choose Command Prompt (Admin).

Step 2: Click OK on the UAC window or enter admin password if needed.

Step 3: After it, you have to type the below given command in the Command Prompt window and hit Enter key after every line:

DISM.exe /Online /Cleanup-image /Scanhealth
DISM.exe /Online /Cleanup-image /Restorehealth

Step 4: After executing all the commands close the command prompt and try to install the updates.


Trick 5: Manually reset Windows Update components

Step 1: Open the command prompt with admin privilege (given in Step 1 of previous trick).

Step 2: Now you need to turn off BITS, Cryptographic, MSI Installer, and the Windows Update Services.

To do this task, type the below given commands in the Command Prompt window and press Enter key after every line:

net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver

Step 3: After executing above given command, you need to rename SoftwareDistribution and Catroot2 folders.

To do this run below commands and press Enter key after each of them:

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 Catroot2.old

Step 4: After completion of step 3, turn on BITS, Cryptographic, MSI Installer and the Windows Update Services.

To do this run the below command and press Enter key after each of them:

net start wuauserv
net start cryptSvc
net start bits
net start msiserver

Step 5: After all, close the Command Prompt window and restart your PC/Laptop.


All the above given tricks are able to deal with Windows 10 Updater and Windows 10 Defender Error Code 0x800705b4. So, it is recommended to apply them very carefully in order to make them effective as a single wrong step can disable the effectiveness of the given trick.


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