Sup /p/, how do I avoid such shit when taking photos of items behind a layer of glass using point and shoot cameras?

11Equipment MakeOLYMPUS IMAGING CORP.Camera Modelu760,S760Camera SoftwareVersion 1.0Maximum Lens Aperturef/3.4111Image OrientationTop, Left-HandHorizontal Resolution314 dpiVertical Resolution314 dpiImage Created2008:11:22 18:19:59Exposure Time1/40 secF-Numberf/3.6Exposure ProgramNormal ProgramISO Speed Rating200Exposure Bias0 EVMetering ModePatternLight SourceUnknownFlashFlash, AutoFocal Length7.89 mmColor Space InformationsRGBImage Width3072Image Height2304RenderingNormalExposure ModeAutoWhite BalanceAutoScene Capture TypeStandardGain ControlHigh Gain UpContrastNormalSaturationNormalSharpnessNormal1