Jqsnotify.dll error is common windows error that is mainly caused due to damaged or corrupted Jqsnotify.dll file. The error results in degraded PC performance with its inability to process and load java based applications. If not resolved soon it may degrade the performance of your PC as well. Some of the common causes resulting in Jqsnotify.dll error are damaged Jqsnotify.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 PC. It is advised to fix Jqsnotify.dll error with the help of driver update software, registry repair tool and anti spyware tool.