File getting copied to SysWOW64 instead of System32

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You’ve run afoul of file system redirection.

Because %windir%\System32 is reserved exclusively for 64-bit applications, on 64-bit versions of Windows, 32-bit applications that attempt to access the %windir%\System32 directory are automatically and transparent redirected to the 32-bit %windir%\SysWOW64 directory.

First, make sure that your program actually does belong in the 64-bit system folder. Windows does this automatic redirection for a reason. 32-bit stuff does not go in the %windir%\System32 folder on 64-bit versions of Windows.

If you’re certain that you want to be copying stuff into the 64-bit system directory, you have a couple of options. The easiest is probably to just compile your utility as a 64-bit application. Alternatively, you can tell the WOW64 redirector that you know what you’re doing and not to perform the redirection by using %windir%\Sysnative instead of %windir%\System32.

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