Microsoft patch KB967723 causes MySQL to fail to connect frequently September 25, 2009 Wolf Happy sharing 9673 times 1 The MySQL database server is frequently disconnected, which is caused by MySQL installed on Windows and the Microsoft KB967723 patch. There are two methods available on the Internet: the first is to uninstall the KB967723 patch Log in to the server, enter the control panel - Add and Remove Programs - (check the "Display Update" above). You can see the updated KB967723 patch in it, and then uninstall it just like ordinary software. Uninstalling read the whole passage SQL registry MySQL KB967723