Doing following operations after installing or upgrading Vex may occar corrupting alert box in a page capture.
・Internet Explorer upgraded
・the style used by the OS was changed (to the classic display, etc.)
Images can be acquired again by the following procedure.
1. Stop Vex using the Vex controller.
2. Start the command prompt as the administrator.
3. Go to "[Path where VEX program is installed]/Jabberwock/WEB-INF/" and execute 'vex_maintenance.bat'.
4. Enter 1 in the command prompt screen and click Enter.
5. After the process is completed, start up VEX.