Thanks, Looks like two installer bugs:
Actual file: C:\Program Files\CodeBlocks\share\CodeBlocks\docs\manual_codeblocks_en.chm
Error shown: C:\Program Files\CodeBlocks\share\codeblocks\docs\codeblocks_en.chm
I downloaded codeblocks-25.03-setup.exe and uninstalled the old C:BB and the C:\Program Files\CodeBlocks was deleted by the installer before I installed the codeblocks-25.03-setup.exe