Glut32.dll error is common windows error that is mainly caused due to damaged or corrupted Glut32.dll file. The error results in degraded PC performance with problem in OpenGL Utility Image Programming language based windows applications. If not resolved soon it may degrade the performance of your PC as well. Some of the common causes resulting in Glut32.dll error are damaged Glut32.dll file, obsolete driver, registry damage and virus infection. PC users are advised not to fix this error manually as it may severely damage the Windows. It is advised to fix Glut32.dll error with the help of driver update software, registry repair tool and anti spyware tool.