Problem: Mac external hard drives cannot change one or more items in "-" because they are in use

question

In Mac, external mobile hard disk or U disk is NTFS partition format under Windows system, but Mac system does not support this format natively. And many times there will be some other problems, such as the following:

This is the second file that is grayed out, and when operating on it, there will be some errors, which will prompt as follows:

不能更改“somefile”中的一个或多个项目,因为它们正在使用中。

solution

Open Terminal, enter xattr -d com.apple.FinderInfo+ at the command line 文件路径, as follows:

$ xattr -d com.apple.FinderInfo /Volumes/someFinder/someFile

Then enter, it is solved.