Error:while Executing gem ... (Encoding::undefinedconversionerror) U+7CFB to IBM437 in conversion from Utf-16le to UTF-8 to IBM437, when you execute the GEM command, you are prompted with the following information solution.

When your use gem is the install package, the Result:ERROR:While executing gem ... (Encoding::undefinedconversionerror)
U+7CFB to IBM437 in conversion from Utf-16le to UTF-8 to IBM437

Workaround:

Go to local path to modify the code, so the hint is due to inconsistent coding.

To modify the encoding in the registry file:

There will be no problem after the change.

Error:while Executing gem ... (Encoding::undefinedconversionerror) U+7CFB to IBM437 in conversion from Utf-16le to UTF-8 to IBM437, when you execute the GEM command, you are prompted with the following information solution.