SOLVED! Scripted Diagnostics Native Host Not Working – Detail Guide

If you come across an error message that says something about “Scripted Diagnostics Native Host has stopped working”, you may want to run a SFC and DISM scan. Besides that, you should consider scanning your disks using the Chkdsk command. Depending on the situation, it won’t hurt to roll back Windows updates, perform a clean boot and so on. Continue reading to get rid of the error and bring your computer back to normal. 


On Windows, if system files get corrupted, errors ensue and “Scripted Diagnostics Native Host has stopped working” is a prime example. Thus, you should give corruption some thought while troubleshooting errors. Also, if the disk acts up in use, it’s only natural for things to go haywire. Last but not least, while Windows updates mean well, they could mess up computers on occasions. 

A List Of Solutions

Run SFC And DISM Scan

SFC and DISM scan will look for corrupted/missing system files then carry out repair/replacement if possible. 

  • Step 1: Go to Search bar, type cmd and hit Run as administrator. 
  • Step 2: In Command Prompt, run the command sfc/scannow.
  • Step 3: After the SFC scan finishes, run each of the commands down below to initiate DIMS scan
    • DISM /Online /Cleanup-Image /ScanHealth
    • DISM /Online /Cleanup-Image /CheckHealth
    • DISM /Online /Cleanup-Image /RestoreHealth
  • Step 4: The moment the DISM completes, restart your computer. 

Check Disk 

  • Step 1: Go to Search bar, type cmd and hit Run as administrator. 
  • Step 2: In Command Prompt, run the command chkdsk.
  • Step 3: As soon as the process wraps up, restart your computer. 

Note: To scan a certain disk, go to This PC, right-click the disk and pick Properties. Next, go to Tools tab then hit Check. 

Roll Back Windows Updates

You suspect that the error is the result of recent Windows updates? Then it’s strongly recommended that you roll back Windows update at the earliest opportunity. 

  • Step 1: Press Windows + I to open Settings. 
  • Step 2: Select Update & Security then choose View update history in Windows Update. 
  • Step 3: Hit Uninstall updates, right-click the latest updates and pick Uninstall
  • Step 4: Follow the prompts to confirm your action.
  • Step 5: Proceed to restart your computer when the uninstallation completes. 

Clean Boot 

  • Step 1: Go to Search bar, type msconfig and press Enter to open System Configuration.
  • Step 2: Navigate to Services tab, check the Hide all Microsoft services checkbox and hit Disable all.
  • Step 3: Navigate to Services tab, click Open Task Manager and disable everything you see.
  • Step 4: Return to System Configuration, select Apply and choose OK.
  • Step 5: Restart your computer.

If there is nothing out of the ordinary following a clean boot, feel free to conclude a software conflict is responsible for the error. Thus, it’s a good idea to get rid of recently installed applications.  

Make Use Of Reliability Monitor

Once it comes to Scripted Diagnostics Native Host not working, Reliability Monitor would come in handy. In case you don’t know, Reliability Monitor is a tool that tracks changes to your system and apps over time. Via Reliability Monitor, you could learn what might have gone wrong then 

  • Step 1: Go to Search bar, type Control Panel and press Enter.
  • Step 2:  Click Security and Maintenance, expand Maintenance and pick View reliability history.
  • Step 3: In Reliability Monitor is open, look for entries that say “Application Crash“, “Windows Error Reporting” and so on. Such entries usually have a red X indicating problems.
  • Step 4: Double click on error events related to the error in question to view additional information. If something causes the error, you can then use the control panel to delete it.

Repair Install 

  • Step 1: Launch your web browser, visit the Microsoft Software Download page and download the Media Creation Tool.
  • Step 2: The moment the download concludes, you will be prompted to run the tool so click Run.
  • Step 3: Read all the terms and conditions, check I accept the license terms and hit Next.
  • Step 4: Select Upgrade this PC now then choose Next.
  • Step 5: Check the checkbox next to Keep personal apps and files then pick Install.
  • Step 6: Supposing that the installation is a success, choose the account you want to sign in with then accept the terms.

What is Scripted Diagnostics Native Host and What Does It Do?

Scripted Diagnostics Native Host (SDNH) is a component that enables Scripted Diagnostics to run on computers. SDNH in essence provides the necessary infrastructure to support Scripted Diagnostics, including support for running tests, collecting data, and storing results. SDNH also makes it possible for Scripted Diagnostics to run on computers that lack .NET Framework. As you install Scripted Diagnostics, the setup program automatically installs SDNH.

Is sdiagnhost a Virus?

Sdiagnhost.exe is a process associated with the Scripted Diagnostics Native Host service. That service reports errors to Microsoft so they can be fixed in future updates. While the process is not essential to the functioning of your computer, it can help troubleshoot specific issues. Sdiagnhost.exe is usually not a virus or malware but it can be linked to malicious programs.

Does sdiagnhost.exe Cause High Disk Usage?

A number of people claim that sdiagnhost.exe, a system process related to diagnostics and error reporting, may be causing high disk usage. However, there is no solid evidence to support that claim.

Is It Normal For sdiagnhost.exe To Use A lot of CPU?

In a number of cases, sdiagnhost.exe can become CPU-intensive leading to high CPU usage. That can be the result of several issues including successive diagnostic tasks, large amounts of stored data, problems with the procces, etc. 


  • Upgrade Windows, programs and driver periodically. 
  • Be patient as you install Windows updates. Interrupted updates can cause many problems down the line so allow the process to run all the way. 
  • Use Task Manager to monitor the usage of resources on your computer.

Leave a Comment