Only machine administrators are allowed to create administration service job definitions

Following is the procedure to resolve this issue:

•   Start -> Control Panel.
•   In Control Panel, click User Accounts.
•   In the User Accounts window, click User Accounts.
•  In the User Accounts tasks window, click Turn User Account Control on or off.
•  If UAC is currently configured in Admin Approval Mode, the User Account Control message appears. Click Continue.
•  Clear the Use User Account Control (UAC) to help protect your computer check box, and then click OK.
• Click Restart Now to apply the change right away, or click Restart Later and close the User Accounts tasks window