What is the scheduled task "\Microsoft\Windows\Defrag\ScheduledDefrag" on my Windows 8 computer?

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

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

Name: ScheduledDefrag
Location: \Microsoft\Windows\Defrag
Description: This task optimizes local storage drives.
Actions: %windir%\system32\defrag.exe -c -h -o -$
Triggers: 
History: 

Programe file information about "defrag.exe":

File name: defrag.exe
File path: C:\Windows\system32\defrag.exe
File size: 181248 bytes
Last modified time: 7/25/2012 11:08:22 PM
File description: Disk Defragmenter Module
File version: 6.2.9200.16451 (win8_gdr.121105-1502)
Company name: Microsoft Corp.

"defrag.exe" is scheduled with no triggers..

It is recommended to disable "\Microsoft\Windows\Defrag\ScheduledDefrag" as a scheduled task. You can do this yourself.

⇒System Scheduled Tasks on Windows 8

⇒⇒Windows 8 Scheduled Tasks