In this post, you’ll learn about the Win32 Error “0x00000666 – ERROR_PRODUCT_VERSION” that you get when debugging system erors in Windows.
The System Error Codes in Windows is a standard computer errors that occurs on Windows PCs. The System Error are usually intended for the developers troubleshooting issues related to the messages returned by the GetLastError.
Most of these Windows Errors are defined in the WinError.h file. The description of these error codes are very general and requires some bit of analysis to understand the exact issue.
0x00000666 – ERROR_PRODUCT_VERSION
Another version of this product is already installed. Installation of this version cannot continue. To configure or remove the existing version of this product, use Add/Remove Programs in Control Panel.