系统：windows 2003 x64 故障描述：Scheduled Tasks中，任务显示Could not start，修改属性时候报错：error 0×80090016 keyset does not exist…… 解决方法： 1、Stop the Task Scheduler Service 2、Delete or Move the file from the"C:\Documents and Settings\All  Users\Application Data\Microsoft\Crypto\RSA\S-1-5-18" folder. 3、Start the Task Scheduler Service 4、Edit each previously scheduled task and provide security credentials for the task to run under 5、Right click the task and [...]