Windows Server 2003 R2 Enterprise Edition

I am using Windows Server 2003 R2 and want to schedule a task using Task Scheduler but it gives the following error.
0x80090016: Keyset does not exist.
Both Task scheduler and Protected storage service are running. Kindly help me how to resolve the issue?
Thanks in advance.

Answer

try to :

• stop the protected storage service


• Double-click My Computer, and then click Folder Options on the Tools menu. On the View tab, click to select Show hidden files and folders, and then click OK.


• Delete all of the files in the "C:\Documents and Settings\All Users\Application Data\Microsoft\Crypto\RSA\S-1-5-18" folder.


• restart protected storage service


• try to exexute the task