Windows 10 calculator not working
Windows 10

Dealing With Windows 10 Calculator Not Working Properly

Windows 10 calculator not working is quite the hassle for people unfamiliar with computers. This article is a detailed guide to help solve your problem.

Being such a simple program, it should be quite an anomaly for a problem of “Windows 10 calculator not working” to occur. However, it would take you by surprise to know that problems come up all the time. For example, when your Windows 10 calculator won’t open.

This article is our guide on how to fix the Windows 10 calculator not working. Let’s dive into it.

Why Your Windows 10 Calculator Stopped Working

First, let’s examine some potential root causes of your problem. Your Calculator is not up to date, there may be missing or error-laden System and Registry files, or perhaps there exist User Account conflicts. These are some probable reasons for the issue at hand.

Windows 10 calculator not working

Many reports from users complaining that the Windows Calculator won’t open, or the Calculator will crash upon opening. Other Windows 10 users also said that different default apps like Text Editor, Calendar also would not open or operate properly. 

So, how exactly are we going to solve these issues? Let’s now go to the in-depth guide.

How To Fix Windows 10 Calculator Not Working

Since the Calculator won’t open in Windows 10 has several potential causes, it is not easy to pinpoint a precise and guaranteed solution to errors such as this one. There are, however, solutions that have worked for a majority of users, as well as others that have worked for a few users.

We advise that you sequentially try out the following approaches to this issue. You ought to do so because following in order can help you solve the error Calculator won’t open in Windows 10 much quicker.

Now, we can delve deeper into approaches and break them down step by step.

1. Resetting The Calculator

Resetting the Calculator is arguably the first method you should consider. Carrying out this process is quite simple and should barely take any time.

This method is by far one of the most helpful ones as it has resolved the issue for numerous users. Closely follow these steps in order to reset the app.

Step 1: Open the Start menu again. Then, open the Settings window by clicking on its symbol – the symbol of gear on the left of the menu. Or use the key combination of Windows + I.

Windows 10 calculator not working

Step 2: In the Settings window you have just opened, look for the Apps option and click on it.

Windows 10 calculator not working

Step 3: In here, there will be a long list of installed apps that are currently on your device. Find Calculator or search for it using the search box. Next, select it, and then choose Advanced options.

Windows 10 calculator not working

Step 4: Upon opening the Advanced options of the Calculator window, you will see the Reset button. After that, a confirmation dialog box will appear. Choose Reset on the box as well.

Windows 10 calculator not working

You can most probably resolve the problem if you reset the Calculator app. Otherwise, please be patient and keep trying the other measures on this list.

2. Reinstalling The Calculator

Another measure you should take early on is to reinstall the program. That calculator won’t open Windows 10 can be easily fixed by reinstallation, but you must do it via an exceptional way .

Unlike most other default apps from Microsoft that have a direct and simple option to uninstallation, calculator does not have such a function. Using Windows PowerShell is perhaps the only way you can carry out this procedure.

Before installing the program again, you need to uninstall it. These next steps will show you how to do so.

Step 1: Open the Start menu by hitting the Windows key or clicking on the Windows symbol in the bottom left corner. In the search box, type in “PowerShell”. When you see the Windows PowerShell option, right-click on it and choose Run as Administrator.

Windows 10 calculator not working

Step 2: In the Administrator window, type the following command, then press Enter.

The command:

Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}

Windows 10 calculator not working

This is to re-register the Windows Calculator onto your computer. The process may take a while, so be patient and wait till it is complete. Next, find the Calculator app to see if it is back on your device. Once you found it, just run the app. It should be working splendidly. 

3. Reinstalling Via Settings

  • Step 1: Open Setting by using the combination of the Windows key + the I key (in other words, pressing the two keys at the same time).
  • Step 2: Next, mouse over Apps right under the Settings’ search box
  • Step 3: Then, in the Apps & features tab, there will be another search box. Type in “Calculator” to search for the app.
  • Step 4: In the search result, select “Calculator”
  • Step 5: Choose the Uninstall button
Windows 10 calculator not working
  • Step 6: After uninstalling the app, you have to install it again. Press the Windows key + S combination and search for the Microsoft store.
  • Step 7: Next, look for Windows Calculator in that store.
  • Step 8: Now, click your mouse on Get.
  • Step 9: Finally, go for Install to reinstall Calculator back on your PC.

4. Creating A New User Account

Like we have already mentioned, the issue can stem from problems or conflicts in your User account. There may be a UAC or User Access Control restriction on your computer.

The optimal solution to this issue is to create a new User ID. To perform such tasks, you should follow these steps:

Step 1: Once again, open the Start menu. Next, type “add user” into the search bar in the menu. From the search result, choose the option of Add, edit, or remove other people.

Windows 10 calculator not working

Step 2: A new window will appear. Under the Family & other people section, mouse over the option that says “Add someone else to this PC”.

Windows 10 calculator not working

Step 3: In the following box, select the “I don’t have this person’s sign-in information” option. 

Step 4: Another box will appear. Choose the “Add a user without a Microsoft account” option.

Windows 10 calculator not working

Step 5: Now, Windows will require you to enter a new username with a new password and a hint for the password. Proceed to fill in those blank boxes. Then, choose the Next button.

Windows 10 calculator not working

Step 6: After you have finished creating the new account, try logging in using your new account. To do this, you need to once again open the Start menu. Click your cursor on your current profile and choose the new user ID.

Windows 10 calculator not working

When you have logged in with your new ID, go to the Calculator app. Try to operate it and see if it is running smoothly or not. In case this approach fails, there are still many other approaches that you can opt for on our guide.

5. Running An SFC Scan

After trying all of the methods above but to no avail, chances are that the issue has its root cause in errors of the System Files on your laptop or PC. Running an SFC scan will not only reveal the faulty files, but also fix the errors.

The following procedure standard in running an SFC Scan:

Step 1: Use the key combination of Windows + X to open the correspondent menu. In such a menu, go for the Command Prompt (Admin) option to run Command Prompt in Admin mode. A box will appear. Then, click on the Yes button.

Windows 10 calculator not working

Step 2: Now, when you’re in the Command Prompt window, type the command below and hit Enter.

The command:

sfc /scannow

Windows 10 calculator not working

You should let the scanning continue until complete. The scan can take away a good chunk of your time. Upon finishing the scan, just restart your device. Launch Calculator to see if the performance gets any better. In case the Windows 10 calculator won’t open, go for the next approach.

6. Running DISM Scan

Employ this method when the SFC scan does not work as it can not fix some corrupt files. DISM Scan, or Deployment Image & Servicing Management Scan, can fix the corrupt files leading to your problem.

In order to run such scans, follow these steps:

Step 1: Similarly to the SFC Scanning approach mentioned above.

Step 2: Type the following command in Command Prompt and press Enter.

The command:

DISM /Online /Cleanup-Image /RestoreHealth

Windows 10 calculator not working

Step 3: Now, let the scan run without interruption. Once the scan is finished, run the SFC scan again. Let the SFC scan complete also.

Step 4: Finally, reboot your computer when done with these processes and access the Calculator. If this yet again fails to solve the issue, move on the next approach on the list.

7. Updating Your Windows

Another possible reason why you cannot open Calculator is that your Windows is not the latest version. Therefore, it is quite useful to learn to update your Windows, not only to solve this issue but also other corresponding ones.

Now, let’s do it:

Step 1: Open Settings. Through the Start menu or using the Windows + I key combination. 

Step 2: Next, in the Settings window, look for the Update & Security option. 

Windows 10 calculator not working

Step 3: Having entered the Update & Security window, go to the Windows Update section. Under this section, click the Check For Update button.

After that, your device will start to scout for any newly available Windows update. Upon finding such updates, you will have to follow the wizard to finish up the one for your Windows 10.

Windows 10 calculator not working

Your computer or laptop will automatically restart once the update to your Windows is done. When your PC is back in again, check your Calculator app. If we are still not in the clear, be sure to try these last measures.

8. Ending The RuntimeBroker.exe Process

Your application might not launch properly because the background processes that are already running would not let it do so. Try to end the process called RuntimeBroker.exe and open your Windows Calculator app.

Steps of the procedure you should follow:

Step 1: Open Task Manager on your computer by pressing the Ctrl + Shift + Esc key simultaneously. The Task Manager window will appear.

Step 2: When you are in the Task Manager window, there will be a list of running tasks on your device. Look for Runtime Broker on the list, then right-click on it and select the End process option.

Windows 10 calculator not working

After ending the RuntimeBroker.exe process on your computer or laptop, try to open your Calculator again and see whether the app operates smoothly or not.

9. Updating Your Calculator

The final resort we can offer you is to update the Windows Calculator itself. Quickly check on the Microsoft store to know if there is any available new version to your Calculator app. Update if possible. 

Try to closely follow these next steps to resolve your issue:

Step 1: Open the Start menu. In the Start menu, click on the tile of the Store to access Microsoft App Store.

Step 2: On the App Store, search for the Windows Calculator app page by entering “Calculator” into the search bar. Open the page by clicking it.

Windows 10 calculator not working

Step 3: In this page, you will be able to find the Update button if the current version of your Calculator app is obsolete. If so, proceed to update and recheck your app.

If all of these still do not work, we suggest that you install a third-party calculation application. However, we think that it is very unlikely for you to have to resort to this measure.


That concludes our article here. The problem can seem quite challenging at first, but with all these different approaches coming to your assistance, surely, we believe that you will be able to deal with Windows 10 Calculator Not Working without paying any money for repair.

We thoroughly hope that you find our guide helpful and be sure to enjoy your time on your computer.


I'm Linda. I have 5 years experience in Information Technology. I'm now an writer for itprospt.

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