Fix 0×80070057 Error

 

This 0×80070057 error is a common error message caused by a bug in File Backup. If you don’t back up at least one file during the full backup, every backup after that fails. The workaround is to go through the Backup wizard again and choose a new full file backup at the very end.

 

To solve the 0×80070057 error, please try below methods:

 

Method 1: Change the decimal symbol setting.

 

To change the decimal symbol setting, follow these steps:

 

1. Open Control Panel, click Clock, Language, and Region, and then click Region and Language.
2. Click the Formats tab, and then click Additional settings.
3. In the Decimal symbol field, type . (dot), and then click OK two times.
4. Restart the computer.

 

Method 2: Add a registry key value

 

1. Click StartCollapse this imageExpand this im, type Regedit.exe in the Search programs and files box, and then press ENTER.
2. Locate and then click the following registry subkey:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\System

1. On the Edit menu, point to New, and then click DWORD Value.
2. Type CopyFileBufferedSynchronousIo, and then press ENTER.
3. Right-click CopyFileBufferedSynchronousIo, and then click Modify.
4. In the Value data box, type 1, and then click OK.
5. Exit Registry Editor.

 

Method 3:

You can also try this auto fix tool:

http://download.microsoft.com/download/1/8/3/1830F6F8-B99A-4B8C-B493-152230DAFBEF/MicrosoftFixit50719.msi

 

Method 4:

Please try this registry cleaner tool to fix the problem. It will fix this error automatically.

 

• Please download and install registry cleaner by clicking it.
• After installation, start registry cleaner and on the interface click Scan button.
• After Scan, click Repair All button