When you attempt to refresh your Windows system, it is pretty common to meet different problems.

And this post will tell you how to fix Windows Update error 0x80070057.

When does Windows Update error 0x80070057 appear?

click Run the troubleshoot

you’ve got the option to refer to the methods mentioned below to fix the error.

Although the screenshots are all taken in Windows 10, the methods are also suitable in other versions.

How to Fix Windows Update Error 0x80070057?

rename the SoftwareDistribution folder

Windows Update Troubleshooter is a built-in feature that aims at fixing Windows update errors.

Therefore, when you meet the error 0x80070057, you should try this method.

Step 2: ChooseUpdate & Securityand then go to theTroubleshoottab in the left panel.

start the Windows Update service

Step 3: ClickWindows Updateunder theGet up and runningsection in the right panel and then clickRun the troubleshooter.

Then you’re free to see the folder has been renamedSoftwareDistribution.bak.

Step 4: Typeservicesin theSearchbar and then tap the best match one to openServices.

edit the Registry

Step 5: FindWindows Updateand verify the status of it isRunning.

If not, right-click it to chooseStart.

Here is the tutorial to edit the Registry:

Step 1: Typenotepadin theSearchbar and then clickNotepadto continue.

perform a system file check

Step 4: launch the file and agree with the prompts.

Then modernize your system again to see if it solves the problem.

Now lets execute the SFC tool to fix the Windows Update error 0x80070057.

alter Decimal symbol

Step 1: Typecmdin theSearchbox and then right-clickCommand Promptto chooseRun as administrator.

Step 2: Typesfc /scannowin the window and then pressEnter.

Wait for Windows to detect corrupted system files and then repair them.

add a Registry key

Step 3: attempt to revamp your operating system again and test whether the error persists.

Method 1: Change the Decimal Symbol prefs

When the decimal symbol isnt set to dot (.

), then the error code 0x80070057 may appear.

choose a computer to manage

And this situation often appears in languages other than English (United States).

Step 2: SetView by: Categoryand then clickClock and Region.

Then clickChange date, time, or number formatsunderRegion.

choose the destination path

Step 3: A new window pops out, clickAdditional tweaks…under theFormatstab.

Step 4: In the new window, check that that there is adot (.

)next toDecimal symboland then clickApplyandOKto save changes.

begin to back up your system

Step 3: Navigate toHKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\SystemCertificates, then right-clickSystemCertificatesto chooseNew > DWORD (32-bit) Value.

Name the valueCopyFileBufferedSynchronousIo, then set theValue datato1.

Then what should you do next?

The answer is to back up your system.

As you’re able to see, it is possible to suffer BSOD and even the system crash.

Then how to back up your Windows system safely and quickly?

It is highly recommended to use MiniTool ShadowMaker a piece of professionalbackup and restore softwarefor Windows.

Whats more, it also allows you tosync files and foldersto more than one place andclone disk.

So why dont you download MiniTool ShadowMaker to have a try?

Step 1: Download and launch MiniTool ShadowMaker, then clickKeep Trial.

Step 2: ClickingConnectunderThis Computerto perform a local backup.

Step 3: Go to theBackuppage.

After confirming the destination path, clickOK.

Step 5: Wait for MiniTool ShadowMaker to finish creating a system image.

So when you meet the error, dont hesitate to try the methods mentioned above to fix it.

Besides, backing up your system in advance can make you restore your system easily.