When you attempt to schedule a task using the Scheduled Task tool in Control Panel, you may receive either of the following error messages:
The new task has been created, but may not run because the account information could not be set. The specific error is: 0x80090016: Keyset does not exist.
The new task has been created, but may not run because the account information could not be set. The specific error is: 0x8009000f: Object already exists.
This behavior occurs because the Protected Storage service is not started or running on the Windows 2000-based computer.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
To resolve this issue:
Start the Protected Storage service by using either of the following methods:
Use the Compmgmt.msc snap-in.
Type the following command at a command prompt:
net start "protected storage"
Note If the Crypto subsystem has become corrupted, you may have to back up the following subkey, then delete it, and then restart your computer: