What is the scheduled task "\Microsoft\Windows\TaskScheduler\Regular Maintenance" on my Windows 8 computer?

"\Microsoft\Windows\TaskScheduler\Regular Maintenance" is a scheduled task on Windows 8 system added as part of Windows installation.

You will see "\Microsoft\Windows\TaskScheduler\Regular Maintenance" listed on Task Scheduler with the following information:

Name: Regular Maintenance
Location: \Microsoft\Windows\TaskScheduler
Description: Maintenance Scheduler Launcher Task
Actions: Custom handler
Triggers: At 3:00 AM every day
History: 
   Information 3:20:00 Task completed
   Information 8:20:48 Action completed
   information 8:20:14 Task stopping due to computer not idle
   Information 8:00:48 Action started
   Information 8:00:48 Task started
   Information 8:00:48 Created task process
  ...

"Regular Maintenance" is scheduled to run once a day.

It is recommended to keep "\Microsoft\Windows\TaskScheduler\Regular Maintenance" enabled as a scheduled task.

⇒System Scheduled Tasks on Windows 8

⇒⇒Windows 8 Scheduled Tasks