Do you have error messages?, like :
Path too long.
Error cannot delete file: cannot read from source file or disk
Cannot delete file: Access is denied
There has been a sharing violation.
Cannot delete file or folder The file name you specified is not valid
or too long. Specify a different file name.
The source or destination file may be in use.
The file is in use by another program or user.
Error Deleting File or Folder
Make sure the disk is not full or write-protected and that the file is
not currently in use.
Error Copying File or Folder.
Cannot remove folder.
The filename or extension is too long.
Path too deep.
Destination Path Too Long.
Could not find this item.
Filename is not valid.
The file could not be accessed.
The path you entered, is too long. Enter a shorter path.
File Name could not be found. Check the spelling of the filename, and
verify that the file location is correct.
If yes, Long Path Tool will be helpful for you.