There[SQ]s no standard or widely known software called "gImageReader" specifically for Windows. The name suggests it might be :

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A custom or niche application:

Someone might have created a program with that name for their own use or a small community. It[SQ]s not a common, publicly available image viewer or OCR tool.

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A misspelling or variation:

It could be a slightly different name, like "ImageReader," or part of a larger software package. Try searching online for similar names or descriptions of what the software does (e.g., "image viewer Windows," "OCR software Windows").

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Part of a larger project:

It might be a component within a larger project, library, or development kit, not intended for direct use by end-users.

To find out what "gImageReader" is, you[SQ]d need more context. Where did you encounter this name? Knowing the source would greatly help in identifying the program.