What is the scheduled task "\Microsoft\Windows\Sysmain\WsSwapAssessmentTask" on my Windows 8 computer?

"\Microsoft\Windows\Sysmain\WsSwapAssessmentTask" is a scheduled task on Windows 8 system added as part of Windows installation.

You will see "\Microsoft\Windows\Sysmain\WsSwapAssessmentTask" listed on Task Scheduler with the following information:

Name: WsSwapAssessmentTask
Location: \Microsoft\Windows\Sysmain
Description: Working set swap assessment maintenance task
Actions: %windir%\system32\rundll32.exe sysmain.dll,PfSvWsSwapAssessmentTask
Triggers: 
History: 

Programe file information about "rundll32.exe":

File name: rundll32.exe
File path: C:\Windows\system32\rundll32.exe
File size: 51712 bytes
Last modified time: 7/25/2012 11:08:39 PM
File description: Windows host process (Rundll32)
File version: 6.2.9200.16384 (win8_rtm.120725-1247)
Company name: Microsoft Corporation

"rundll32.exe" is scheduled to run with no triggers.

It is recommended to keep "\Microsoft\Windows\Sysmain\WsSwapAssessmentTask" enabled as a scheduled task.

⇒System Scheduled Tasks on Windows 8

⇒⇒Windows 8 Scheduled Tasks