Solutions: Windows 10 Couldn't Update System Reserved Partition

Brithny updated on Dec 09, 2019 to Partition Master | How-to Articles

"We couldn't update system reserved partition" error, help!

I cannot install Windows 10 on my computer, and it insists warning me with ‘we couldn’t update system reserved partition’ error. What can I do? Is there anything wrong with my Windows system reserved partition? Can I still get a chance to have Windows 10 installed on my computer? 

I don’t know how to check Windows partition errors and can you help me to fix the system reserved partition update error? Thank you very much.

Have you ever encountered such similar problems while trying to update the system? And what causes system reserved partition unable to update? And why such a problem occur to your PC? Let’s find the reasons and solutions now.

Find reasons for Windows 10 couldn't update system reserved partition error

According to many users who ever met the system unable to update system reserved partition error, it seemed that there are two major reasons for such a problem. One is an inner error in system reserved partition and the other one is low disk space in system reserved partition for an upgrade. So how to fix these problems? Here the following, we’ll introduce you two solutions for fixing Windows 10 couldn’t update the system reserved partition error. 

Tip: No matter how you choose to fix Windows partition problems, we highly recommend you to backup important personal files and data firstly. Unexpected troubles may happen anytime.

Solution 1. Fix Windows system reserved partition inner errors 

It might be the Windows system partition inner error that causes Windows 10 couldn't update the system reserved partition and fail to get latest updates. So do you know how to check and fix Windows partition errors? If you are not quite familiar with Windows disk management, you are highly recommended to use s simpler tool - EaseUS Partition Master Free. It allows users to check and fix partition errors within only 3 steps. Free download and follow the next steps to check and fix system reserved partition error now:

Download Now

 Windows 10 is supported


Step 1: Open EaseUS Partition Master on your computer. Then locate the disk, right-click the partition you want to check, and choose "Check File System".

Check Partition - Step 1

Step 2: In the Check File System window, keep the "Try to fix errors if found" option selected and click "Start".

Check Partition - Step 2

Step 3: The software will begin checking your partition file system on your disk. When it has completed, click "Finish".

Check Partition - Step 3

Solution 2. Extend system reserved partition space to fix 'we couldn't update system reserved partition' error and update Windows 10

Another reason that Windows 10 couldn’t update system reserved partition is that the system reserved partition is in low space for updating and installing the new system files. Therefore, to direct fix such a problem, you need to extend system reserved partition space. We also recommend you to try EaseUS Partition Master Free which can resize partitions for you without losing any data. 

Let’s see how to use EaseUS Partition Master to extend your system reserved partition now:


Step 1: Locate the drive/partition

Which drive/partition do you want to adjust its size? Right-click on it and choose "Resize/Move".

choose the partition

Step 2: Resize the partition

You can either shrink the selected partition or extend it.

To shrink the partition, simply use your mouse to drag one of its ends into unallocated space. Expand the "Advanced Settings" list, where you can see the exact disk space for each partition. Once done, click "OK".

Fig. 1 Unallocated space before the drive.

drag the mouse leftwards to resize partition

Fig. 2 Unallocated space after the drive.

drag the mouse rightwards to resize partition

To extend the partition, make sure that there is unallocated space aside (if there isn't, follow the above steps to create some). In the same way, drag your mouse towards the unallocated space. Click "OK".

Fig. 3 Add unallocated space into the partition

drag the mouse towards unallocated space

Step 3: Apply changes

At this step, you will see the new disk partition information & diagram.

disk partition information after resizing

To save changes, click the "Execute Operation" button and then "Apply".

apply changes to the partition

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Frequently Asked Questions

Why Choose EaseUS Partition Master?

"I've used Partition Master Professional many times to create, delete, format, move, rename, and resize partitions."PCWorld

"Partitioning tools have come a very long since the days of complicated command line utilities and EASEUS Partition Master is one of the most advanced programs available."TECH ADVISOR

"I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes."Lifewire

Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

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About EaseUS Partition Master

All-round disk & partition management software for personal and commercial use. Let it manage your storage drive: resize, format, delete, clone, convert, etc.