Cannot remove a file after its transfer was interrupted (on Windows Web Server 2008 R2 SP1)

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http://serverfault.com – I was copying files from linux to windows (via COPSSH) using a command like (from linux shell): scp -pr dir administrator@win:/cygdrive/c/dest/ (dir was a directory with files and subdirectories) Transfer was interrupted by pressing ctrl-c (from linux shell). I was able to delete all the files copied to windows except the one which transfer was interrupted on and (sub)directories in which it resides. How can I delete this file? In security settings of this file as current owner is "Unable to display current owner". I tried (of course as administrator) to change ownership of this file to (HowTos)