Windows 10 calculator will not open

1150090 pts.
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Windows 10
Ugh - I'm getting quite annoying with Windows 10. This issue now is with the calculator app. When I search for it in 'All Apps', it's not listed at all. I tried the Start Search Menu and I get this: @ {Microsoft.WindowsCalculator_10.1601.49 Desktop App". I clicked it - nothing happens. It's currently installed (according to the Windows Store). What can I do?
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As a last resort, you can try deleting Windows Calculator completely and then reinstalling
Sometimes, deregistering the application (uninstalling and installing) doesn’t completely remove the installation files. So when you install the Windows Calculator again, you think that you got new files from the Windows Store, but in reality, your OS is reinstalling the files that were already present on your PC.

We can use a trick where we activate an administrator account, grant you access, and then delete the installation files so you can download them again from the Windows Store.

First, we will enable the Administrator account. Run command prompt as an administrator and enter “net user Administrator /active:yes”
Now if you open your start menu and click on your profile icon, you will see a new administrator account present.


Open the account and navigate to Local disk C. Open the folder of “Program Files” and locate “WindowsApps”. If you can’t find WindowsApps, click on View present at the top of your file explorer window and check the box which says “Show hidden items”.
Now go to its Properties and grant full access to your account.
Now switch back to your account and navigate to Drive C > Program Files > WindowsApps
Now, look for every folder which says “WindowsCalculator”. For each of these folders, you need to go to their properties and change the ownership from SYSTEM to your user account. Then you can grant full access to your account.
Now delete all the folder which contains the keyword “WindowsCalculator”. You can now reinstall the calculator from the Windows Store.

If you do not use your calculator often and you do not want to go thru all that work there is another option for you. Browsers like Chrome and Firefox will calculate for you. Just type the math into the address bar and you will get your answer. example  (2*5)*10

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  • Subhendu Sen
    On Windows 10, navigate to Settings > System > Apps & features. Now locate the for the Calculator app entry. Tap to select the Calculator app. There is Advanced options link. Click Advanced options link to open Storage usage and app reset page. Click the Reset button. And when you see the confirmation dialog, click the Reset button again to reset the Calculator app. Next try to open the same app again.
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  • Subhendu Sen
    Moreover you can try to create a new user account and try to open calculator on the new account. Also check if there are missing updates on the system. Open Windows Update and check Update History.
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