Tread ERROR_MORE_DATA as success and return the remaining n number of bytes required to be read.

file.go

@@ -229,6 +229,9 @@ func (f *win32File) Read(b []byte) (int, error) {
 		return 0, io.EOF
 	} else if err == syscall.ERROR_BROKEN_PIPE {
 		return 0, io.EOF
+	// When there is more data in the message pipe to read, we get ERROR_MORE_DATA. We ignore that error and proceed to read more data
+	} else if err == syscall.ERROR_MORE_DATA && n != 0 && len(b) != 0 {
+		return n, nil
 	} else {
 		return n, err
 	}