Solve: Error 0x80070057 on copying files (In Windows 8.1)

When you try to copy file to your SDcard or External storage the following error message appeared:

"An unexpected error is keeping you from copying the file. If you continue to receive this error, you can use the error code to search for help with this problem."

Solution:

1. Run Command Prompt as Administrator. 

Type cmd -> Right Click -> choose Run as Administrator

How To: Enable Hidden attribute in folder options

To enable to change folder/file hidden attribute in properties option again:   

1. Goto command prompt

• Click start -> run
• Type cmd and press enter

2. Change your working directory to driver letter of USB drive, for example type H:

• In the command window that opens type "cd [drivename]" and press enter
• Type "dir" and press enter

3. Type the command "attrib /s /d -s -h [file/folder name]" and press enter or type

Where,
-r will clear the Read Only Attribute
-s will clear the System file Attribute
-h will clear the Hidden file Attribute
/s will apply above command to all files in working directory
/d will apply above command to all folders in working directory
[foldername] is the name of the folder without the square brackets)