Windows Remediation Service plays an important role in running operating system smoothly. What to do when Windows Remediation failed to start? Don’t fret! In this guide on MiniTool Website, we have gathered some feasible solutions for you.

Windows Remediation Service

Windows Remediation Service is one of the inbuilt services which contains some executable files including sedsvc.exe, Sedlauncher.exe, Rempl.exe, Remsh.exe, Waasmedic.exe, Disktoast.exe, and Osrrb.exe. It is designed to ensure the normal operation of updating Windows, creating a restore point, repairing corrupted Windows update files, clearing the spaces of your computer, and many more important actions on the Windows OS.

Here is a list of some actions performed by Windows Remediation Service: 

  • Reset the Windows update database and repair it to solve some issues.
  • Compress system files on the user profile directory.
  • Clean up the registry keys that prevent the Windows Update from being installed.
  • Request your computer to operate longer for installing the Windows update.
  • Reset problematic network settings of Windows operating system.
  • Repair disabled or corrupted Windows components.

Windows Remediation Service Failed to Start

As stated in the beginning part, you cannot emphasize the importance of Windows Remediation Service too much because it is developed to run Windows operating system smoothly. Sometimes, this service cannot start or is missing and this problem will trigger severe issues. This error usually accompanies such a message:

Service “Windows Remediation Service” (sedsvc) failed to start. Verify that you have sufficient privileges to start the system service.

At the same time, you may receive some error codes like error 1053, error 1920, or error 0xc0000035. When this error happens to you, what will you do? If you are at loss, the remedies below might take effect.

How to Fix Windows Remediation Service Failed to Start

Preparation: Back Up Your Important Files

When you cannot start Windows Remediation Service, you are more likely to lose your data because some important programs on your computer such as updating Windows, updating the database, creating a restore point, and more may malfunction.

Therefore, it is strongly recommended to create a backup for your important files in daily life in case some huge changes occur on the computer, resulting in unexpected and severe data loss. With a backup in hand, you can restore your files within minutes. In this condition, MiniTool Shadowmaker is the top choice for you.

This is a piece of professional backup software that enables you to back up your files, folders, systems, partitions and the whole disk on Windows devices instantly, daily, weekly, and monthly. Now. let me show how this free tool works:   

Step 1. Download MiniTool ShadowMaker and follow the installation wizard to install this free tool on your computer.

MiniTool ShadowMaker TrialClick to Download100%Clean & Safe

Step 2. Launch it and click on Keep Trial to enjoy the service for free within 30 days.

Step 3. Go to the Backup page > press SOURCE > hit Folders and Files, and then you can choose the desired files or folders. Next, hit OK to go back to the Backup page and choose a destination path for your backup files in DESTINATION.


Step 4. Either click on Back Up Now to start the backup process or choose Back Up Later to delay the task. If you choose the latter one, you can go to the Manage page to find the delayed task and hit Back Up Now to complete the backup.  

As for creating a scheduled backup, you can: click on Options in the lower right corner > hit Schedule Settings > toggle it on > choose from Daily, Weekly, Monthly, and On Event > set a specific time point of a day/days to start the scheduled backup.

create an automatic backup

Fix 1: Check for Updates

First, make sure your Windows is up to date. There is a huge possibility that Windows Remediation Service will download and install automatically during the Windows update process.

Step 1. Press Win + I to open Windows Settings.

Step 2. Go to Update & Security > Window Update.

Step 3. Under this tab, you can click on Check for updates. If there is an update available, hit Download and install. Then reboot your computer to see if Windows Remediation Service missing disappears.

hit Check for update

Fix 2: Edit Group Policy Editor

Make sure Windows Remediation Service is configured correctly, or else the service will fail to start. Group Policy Editor allows you to configure many important settings on the computer or networks. When the configuration files related to WRS are missing, you can try to make some changes on this tool and update Computer Policy & User Policy. Follow these guidelines:

Step 1. Press Win + R at the same time to launch the Run dialog.

Step 2. Type gpedit.msc and press Enter to open Local Group Policy Editor.

Step 3. Navigate to this path: Computer Configuration > Windows Settings > Security Settings > Local Policies > User Rights Assignment.

Step 4. In the right-side panel, find Log on as a service and double-click on it.

find Log as a service

Step 5. Under Local Security Setting, click on Add User or Group.

Step 6. Add the account to the list of accounts that possess the Log on as a service permission to install system services and hit OK to save the changes.

add the account

Step 7. Quit Local Group Policy Editor. Type cmd in the search bar to locate Command Prompt and right-click on it to choose Run as administrator.

Step 8. Type gpupdate /force and tap on Enter to update Computer Policy & User Policy. After the process is complete, reboot your computer to apply the changes.


Tip: Some of you may find that there is no response after running gpupdate /force. If so, this guide may provide you with some useful solutions - gpupdate /force Is Not Working: How to Fix It.

Fix 3: Modify the Registry

Many computer problems are triggered by system registry errors, Windows Remediation Service failed to start is no exception. Here’s how to edit the related registry items to help you restart Windows Remediation Service without errors.


Warning: Here, it is suggested to back up the registry database in advance. If you make some mistakes or anything goes wrong during the process, you can restore the registry from the backup.

Step 1. Press Win + R altogether to open the Run box.

Step 2. Type regedit and hit Enter to launch Registry Editor.

Step 3. Navigate to this path:


Step 4. On the right-side panel, right-click Enabled and select Modify from the drop-down menu.

select Modify

Step 5. Change Value data to 0 > tick Hexadecimal > click on OK.

change Enable’s value

Step 6. Locate EnableProperty > double-click on it > change Value data from 1 to 0 > tick Hexadecimal under Base > hit OK.

Fix 4: Check the Service Dependencies

The different Windows services depend on each other and they may not work without each other. These types of services are called dependencies. As a result, if any dependencies related to Windows Remediation Service stop, MRS itself might also fail to start. Here’s how to check the related service dependencies and how to restart it:

Step 1. Type services.msc in the Run box and hit Enter to open Services.

Step 2. Scroll down to locate Windows Remediation Service and right-click on it to select Properties.

Step 3. Click on Dependencies and check The service depends on the following system components section. Now you will see a list of services and make sure all of them are working properly.

Step 4. Find Windows Remediation Service again and right-click on it to choose Restart.

Fix 5: Run SFC & DISM

Another possible culprit of Windows Remediation Service failed to start might be the corrupted system files on your computer. When your computer is generating such error messages, you can use the combination of SFC (System File Checker) and DISM (Deployment Image Servicing and Management) to detect and repair the system files that are found to be missing, corrupted or changed.

Step 1. Launch Command Prompt with administrative rights.

Step 2. Type sfc /scannow and hit Enter.

run SFC

Step 3. If you receive either of the two messages: Windows Resources Protection did not find any integrity violations or Windows Resource Protection found corrupted files and repaired them, you can skip the next step.

If the scan is done with such a message: Windows Resource Protection found corrupted files but was unable to fix some of them, run the following command and don’t forget to hit Enter.

DISM /Online /Cleanup-Image /RestoreHealth

Step 4. Finally, restart your computer to inspect if Windows Remediation Service failed to start disappears.

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Fix 6: Perform a Full Scan

If your Windows device is attacked by malware or viruses, you will also encounter some issues with system services like Windows Remediation Service. If this is the case, it is a good option to run a full scan of your system with Windows Defender. It’s worth noting that the Full scan option might take a long time, so you need to wait patiently.

Step 1. Click on the Start icon and then hit the gear icon to open Settings.

Step 2. In the settings menu, scroll down to find Update & Security and hit it.

Step 3. In the Windows Security section, click on Virus & threat protection > Scan options.

Step 4. Here are four options for you: Quick scan, Full scan, Custom scan, and Microsoft Defender Offline scan. Choose Full scan and hit Scan now to scan all the files and running programs on your computer. Then, Windows Defender will scan your computer for viruses or malware.

hit Scan now

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Hi, guys! Can you start Windows Remediation Service? If not, the solutions in this guide might save your day! They all deserve a try.Click to Tweet

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In summary, this post illustrates the concept of Windows Remediation Service and offers you 6 effective solutions when your Windows Remediation failed to start. At the same time, it is also noted that you are supposed to develop a habit of creating a backup for your valuable files with MiniTool ShadowMaker.  

For further queries about our service or product, please feel free to tell us your idea in the comment area below or contact us via [email protected]. We always look for award to receiving your feedback and we will reply to you as soon as possible. That’s all for Windows Remediation Service failed to start today! Thanks a million!

Windows Remediation Service Failed to Start FAQ

What is Microsoft Windows remediation?

Microsoft Windows remediation is an inbuilt service that helps Windows features and services to run smoothly. It is completely safe and you can find all the remediation services in the Rempl folder on your system disk.

How do I disable Microsoft Windows remediation?

Step 1. Right-click on the taskbar to select Task Manager.

Step 2. Under the Processes tab, find sedsvc and expand it.

Step 3. Locate Windows Remediation Service and right-click on it to choose End task.

Can I delete Windows Setup remediation?

Yes, you can. Although you can delete Windows Setup Remediation easily, we still advise you to keep it for it is associated with Windows Update. Each time you execute the Windows Update process, your system will attempt to redownload and install Windows Setup Remediation automatically.

Why am I not able to start a Windows Service?

When you are unable to start a Windows Service, the causes might be:

  • Faulty system settings.
  • Corrupted system files.
  • Infection of malware & viruses.
  • Dependencies services not working.
  • Interference of security programs.

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