Searching for this file on the internet exposes you to three major risks:
Cause: Windows UAC or file permissions on the target directory.
Solution: Run Command Prompt as Administrator, or change the working directory to a user-writable location like %TEMP%.
Chocolatey and Scoop do NOT host this tool directly due to licensing restrictions. Avoid any package claiming to offer clnpwd unless it points to an official Cleo mirror.
