


How to fix 'System Restore did not complete successfully' in Windows?
Jul 09, 2025 am 12:33 AMWhen encountering the "System Restore did not complete successfully", you can solve it as follows: 1. Make sure that the system disk has at least 5GB of free space, use the disk cleaning tool or increase the restore quota; 2. Run the sfc /scannow and DISM /Online /Cleanup-Image /RestoreHealth commands as administrator to repair the system files; 3. Operate or disable third-party services and startup items in safe mode to eliminate interference; 4. Run chkdsk C: /f /r to check and fix hard disk errors. After completing the above steps, restart the computer and try to restore.
When encountering the problem of "System Restore did not complete successfully", many people will feel a little panicked. After all, the system restore was originally intended to be used for emergency relief, but it failed in the middle, which was even more troublesome. In fact, this error is not uncommon. Common reasons include file corruption, insufficient disk space, and third-party software interference. Below are some practical solutions that can help you troubleshoot and repair step by step.

1. Check if the disk space is sufficient
System restore requires a certain amount of disk space to create restore points and perform operations. If the space in the C disk is tight, it is easy to cause the restoration failure.
- It is recommended to retain at least 5GB of free space , especially for system disks (usually C disks).
- If the space is really insufficient, you can try to use the "Disk Cleanup" tool that comes with Windows to delete temporary files, old update packages and other useless content.
- In addition, you can also consider increasing the space quota occupied by system restore:
- Right-click "This Computer" → Properties → System Protection
- Select the system disk in "Protection Settings" → Click "Configuration"
- Adjust the slider to a higher percentage (such as more than 10%)
2. Run the system file check tool
System file corruption is one of the common causes of restore failure. At this time, you can use built-in Windows tools to fix:

- Open a command prompt (administrator permissions) and run the following two commands:
sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth
- The first command scans and repairs protected system files; the second is used to repair Windows images.
- These two processes may take some time. After completing, restart the computer and try system restoration again.
3. Close third-party security software or services
Some third-party antivirus software, optimization tools or background services may interfere with the normal operation of system restore.
- Try a system restore in "Safe Mode" to prevent most third-party programs from starting.
- Or manually disable/uninstall suspicious security software and try again:
- Press
Win R
to entermsconfig
and switch to the "Services" tab - Check "Hide all Microsoft services" and then disable other services
- You can also pause non-essential programs in the startup item in the task manager
- Press
4. Check for hard drive errors
Bad hard drives or other storage problems may also cause system restore failure.

- Disk errors can be checked and fixed by following the following command:
chkdsk C: /f /r
- The system will prompt you to plan to check the disk on the next restart, enter
Y
and press Enter, and then restart the computer. - Try system restore again after completion.
Basically, these common investigation directions are all about these common investigations. Sometimes it only takes a little clean of the space to solve the problem, and sometimes it may take multiple steps to complete it. The key is to do it step by step and don’t rush to reinstall the system.
The above is the detailed content of How to fix 'System Restore did not complete successfully' in Windows?. For more information, please follow other related articles on the PHP Chinese website!

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