What is the scheduled task "\Microsoft\Windows\DiskDiagnostic\Microsoft-Windows-DiskDiagnosticResolver" on my Windows 7 computer?

"\Microsoft\Windows\DiskDiagnostic\Microsoft-Windows-DiskDiagnosticResolver" is a scheduled task on Windows 7 system added as part of the Windows system.

You will see "\Microsoft\Windows\DiskDiagnostic\Microsoft-Windows-DiskDiagnosticResolver" listed on Task Scheduler with the following information:

Name: Microsoft-Windows-DiskDiagnosticResolver
Location: \Microsoft\Windows\DiskDiagnostic
Description: The Microsoft-Windows-DiskDiagnosticResolver warns users about 
   faults reported by hard disks that support the Self Monitoring and Reporting 
   Technology (S.M.A.R.T.) standard. This task is triggered automatically by the 
   Diagnostic Policy Service when a S.M.A.R.T. fault is detected.
Actions: %windir%\system32\DFDWiz.exe
Triggers: At log on of any user
History:

Program file information about "DFDWiz.exe":

File name: DFDWiz.exe
File path: C:\windows\System32\DFDWiz.exe
File size: 79360 bytes
Last modified time: 7/13/2009 9:39:03 PM
File description: Windows Disk Diagnostic User Resolver
File version: 6.1.7600.16385 (win7_rtm.090713-1255)
Company name: Microsoft Corporation

"\Microsoft\Windows\DiskDiagnostic\Microsoft-Windows-DiskDiagnosticResolver" is disabled by default. Keep it disabled.

⇒ "Notifications" Scheduled Task on Windows 7

⇐ "Microsoft-Windows-DiskDiagnosticDataCollector" Scheduled Task on Windows 7

⇑ System Scheduled Tasks on Windows 7

⇑⇑ Windows 7 Scheduled Tasks