Run PowerShell Scripts From Task Scheduler
http://community.spiceworks.com/how_to/show/17736-run-powershell-scripts-from-task-scheduler
Weekend Scripter: Use the Windows Task Scheduler to Run a Windows PowerShell Script
http://blogs.technet.com/b/heyscriptingguy/archive/2012/08/11/weekend-scripter-use-the-windows-task-scheduler-to-run-a-windows-powershell-script.aspx
Windows PowerShell 2.0 Commands
http://ss64.com/ps/