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.

Free Download

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.