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Fix “We can't sign into your account” Error on Windows 10

Microsoft accounts allow you to take advantage of benefits otherwise not available to Windows 10 users. This includes syncing across devices, apps like Calendar and Microsoft Office, and so on. However, when signing into your account, you might see the following error pop up on the screen: “We can't sign into your account”.

Don’t panic — we’re here to help you. After you make sure that you did type in all of your login credentials right, give our article a shot and attempt troubleshooting the error. No expertise required.
We can't sign into your account

What is the “We can't sign into your account” error? What causes it?

Windows 10 users report seeing this error when trying to sign in to their Microsoft accounts, not to be confused with local user accounts. This makes it near impossible to use a chunk of Microsoft apps such as the critical Office suite, or planners like Calendar.

Although Windows 10 can be used without signing into a Microsoft account, it’s still recommended that you don’t leave this error unchecked. The benefits of using an actual Microsoft account are far too great to sacrifice.

Because Windows 10 is such a huge operating system, nearly every issue can have multiple causes. It’s not different even with the “We can't sign into your account” error.

Many users report that the issue started to appear after the installation of major Windows 10 updates, so it’s regarded as the most common cause. While updates fix a great number of bugs, they can cause new ones just as easily.

Others report that they get the error when using specific antivirus applications, such as Avast Antivirus or Malwarebytes. Though there isn’t a definitive answer as to why antivirus apps interfere with Windows 10, they may still be the culprit behind this rather annoying issue.

Let’s see how you can fix this error within no more than a few minutes!

How to fix “We can't sign into your account”


Before we jump right into fixing your device, it’s important that you take some prerequisites to ensure the repair process goes smooth.

  • Backup your data. (Optional) We highly recommend that you save all your essential data on an external drive before beginning to fix this error. Some methods listed below require you to manipulate account settings, which under specific circumstances can lead to the loss of data.
    You can find your user folder in C:\Users, this is the folder we recommend backing up.
  • Gain access to an administrator account. Administrative permissions are required to perform some of the fixes below. This simply means that you need to use a local account that has the assigned role of an administrator.

After you’ve completed those two steps, you can start troubleshooting. There are many different approaches to deal with this error, and we recommend you try them all and see which one works for your system. If the error returns in the future, you’ll always know which method to come back to.

Solution 1: Restart your device

Let’s start with the easiest and usually least successful solution to the error: restarting your computer. Even Microsoft recommends that you reboot your machine a couple of times, trying to sign in each time.

Some users report that doing this indeed fixes the “We can't sign into your account” issue, however, a great portion of those who tried it also say it’s bogus.

If you couldn’t access your Microsoft account even after multiple reboots, it’s time to move onto more sophisticated solutions.

Solution 2: Temporarily disable your antivirus software

Antivirus applications are infamous for causing many issues with your operating system. Because of the fact that they’re so feature-packed, it’s possible that some configuration conflicts with Windows 10’s and causes errors regarding your Microsoft account.

What you can do in this situation is temporarily disable your antivirus and see if the issue is fixed. Here’s how you can disable any antivirus app on Windows 10:

  1. Right-click on an empty space in your taskbar and choose Task Manager.
    Task Manager

  2. If you launched in compact mode, click the More details button at the bottom left of the window.
    More details

  3. Switch over to the Start-up tab using the selector found in the header portion of the Task Manager.
    start up
  4. You can see every single application that starts up alongside your computer here. Locate your antivirus and click on it once.
  5. Click the now visible Disable icon in the bottom-right of the Task Manager.
  6. Restart your computer. Your antivirus will be disabled from starting automatically, giving you the chance to try logging into your Microsoft account.

If you can log into your Microsoft account with ease, you should suspect that your antivirus caused the issue. Get in touch with the appropriate customer service.

Solution 3: Run the System File Checker

The System File Checker, also known as SFC can solve a plethora of Windows 10’s unique issues by checking and restoring problematic system files. It’s near automated, the only thing you have to do is type in a simple command and hit enter. Follow our steps and watch the magic happen.

  1. Press the Windows + R keys on your keyboard at the same time.
  2. Type in “cmd” and press the Ctrl + Shift + Enter keys.
    Run cmd

  3. If prompted, click Yes to launch the Command Prompt with administrative permissions.
  4. Type in “sfc /scannow” without the quotation marks and hit enter.
    Run system file checker

  5. Wait for the System File Checker to scan your device and fix any issues.

Solution 4: Use the Registry Editor to fix the issue

Here’s how you can solve the issue with the Registry Editor. We’ll be modifying the registry, so it’s recommended that you follow our advice and backup your files before attempting to change anything here.

  1. Press the Windows + R keys on your keyboard at the same time.
  2. Type in “regedit” and click the OK button. This will launch the Registry Editor.

  3. Navigate using the arrow icons. You need to follow this path: Computer\HKEY_USERS\.DEFAULT\Software\Microsoft\IdentityCRL\StoredIdentities.
  4. Locate a sub-folder with a name matching your account’s email address, then right-click on it and choose Delete.

  5. Close the Registry Editor and attempt adding your Microsoft account once again.

Solution 5: Run a command in the Command Prompt

Commands are extremely powerful in Windows, and many people resent using them as inputting the wrong command may cause even more errors on your device. However, you can trust us — this method is completely safe to follow, and all you have to do is copy and paste the right commands we give you.

  1. Boot your computer in Safe Mode with Command Prompt. If you don’t know how to do this, follow this video tutorial.
  2. When you’re in the Command Prompt, enter the following commands consecutively, pressing enter after each line:
    1.  net user /add useraccountname mypassword
    2.  net localgroup administrators useraccountname /add
    3.  net share concfg*C:\\\\/grant:useraccountname,full
    4.  net user useraccountname
  3. Restart your device normally, then attempt logging into your Microsoft again.

Solution 6: Update Windows 10

If none of the methods above worked, we recommend that you simply update your operating system. This may get rid of any system errors that cause Windows 10 to be unable to log you into your Microsoft account. Here’s how you can do this.

  1. Open the Settings application using the Start menu or the Windows + I keyboard shortcut.
    Update Windows 10-Settings

  2. Click on Update & Security.
    Updated & Security

  3. In the Windows Update tab, click on the Check for updates button.
    check updates

  4. If a new update is found, click on the Install button.

We hope that by following our steps, you were able to get rid of the “We can't sign in to your account” error on Windows 10. Enjoy using your computer the way it was intended to be used from the start.

Related Articles:

How to Merge Microsoft Accounts

How to Install Office on a Windows PC Using My Online Microsoft Account

What to do if there's an unusual sign in activity on your Microsoft account

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