Windows: Delete a file with dot at the end of file name (c:\test\file.)

There are two methods do delete such files. Unfortunately, Windows can't do that and even chkdsk is not able to resolve the issue.

First method: del "\\?\c:\test\file." - doesn't works for me, still getting a message mentioned "file can't be found" or something like that.

Second: Use Unlocker - works just great!