The Windows Calculator app is one of the most useful built-in applications in Windows 11. Whether you’re performing basic arithmetic, scientific calculations, programming conversions, date calculations, or unit conversions, the Calculator app provides a fast and reliable solution. However, there may be times when the app stops working properly, crashes unexpectedly, fails to open, or displays errors after a Windows update.
In such situations, uninstalling and reinstalling the Calculator app is often the most effective way to resolve the problem. Reinstalling replaces corrupted app files with a fresh copy without affecting the rest of your Windows installation. Windows 11 offers several ways to remove and reinstall the Calculator app using Settings, PowerShell, the Microsoft Store, and advanced troubleshooting tools.
This guide explains multiple methods to uninstall and reinstall the Windows 11 Calculator app safely.
Why Reinstall the Calculator App?
There are several reasons why you might want to reinstall Calculator.
- The app won’t open.
- Calculator crashes immediately after launching.
- The app freezes or becomes unresponsive.
- Missing features after a Windows update.
- Corrupted application files.
- Resetting the app didn’t solve the issue.
- Error messages appear when opening Calculator.
Reinstalling the app usually resolves these issues without affecting your personal files.
Method 1: Reset the Calculator App Before Reinstalling
Before uninstalling the app, try resetting it.
- Press Windows + I to open Settings.
- Select Apps.
- Click Installed apps.
- Search for Calculator.
- Click the three-dot menu beside Calculator.
- Select Advanced options.
- Scroll down and click Reset.
- Confirm the action.
If Calculator still doesn’t work, proceed with the following methods.
Method 2: Uninstall Calculator Using Settings
On some Windows 11 versions, Calculator can be removed directly from the Settings app.
- Open Settings.
- Go to Apps > Installed apps.
- Locate Calculator.
- Click the three-dot menu.
- Select Uninstall.
- Confirm the removal.
If the Uninstall option is unavailable, use PowerShell instead.
Method 3: Uninstall Calculator Using PowerShell
PowerShell allows you to remove built-in apps that cannot be uninstalled through Settings.
- Search for PowerShell.
- Right-click Windows PowerShell.
- Select Run as administrator.
- Enter the following command:
Get-AppxPackage *windowscalculator* | Remove-AppxPackage- Press Enter.
- Wait until the command completes.
The Calculator app will be removed from your computer.
Method 4: Reinstall Calculator from the Microsoft Store
The easiest way to reinstall Calculator is through the Microsoft Store.
- Open the Microsoft Store.
- Search for Windows Calculator.
- Select the official Microsoft app.
- Click Install or Get.
- Wait for the installation to finish.
Once installed, launch Calculator from the Start menu.
Method 5: Reinstall Calculator Using PowerShell
If the Microsoft Store isn’t working, PowerShell can reinstall built-in apps.
- Open Windows PowerShell as administrator.
- Run the following command:
Get-AppxPackage -AllUsers *WindowsCalculator* | Foreach {
Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"
}- Press Enter.
- Wait for the process to complete.
- Restart your computer.
Calculator should now be available again.
Method 6: Reinstall All Built-in Windows Apps
If multiple Microsoft apps are missing or malfunctioning, you can reinstall all built-in apps.
- Open PowerShell as administrator.
- Run:
Get-AppxPackage -AllUsers | Foreach {
Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"
}- Wait for Windows to finish registering all built-in applications.
- Restart your PC.
This reinstalls Calculator along with other default Windows apps.
Method 7: Run the Windows Store Apps Troubleshooter
Windows includes a troubleshooter for Microsoft Store apps.
- Open Settings.
- Go to System > Troubleshoot.
- Select Other troubleshooters.
- Find Windows Store Apps.
- Click Run.
- Follow the on-screen instructions.
The troubleshooter can automatically detect and fix issues preventing Calculator from working.
Method 8: Clear the Microsoft Store Cache
A corrupted Store cache may prevent Calculator from installing correctly.
- Press Windows + R.
- Type:
wsreset.exe- Press Enter.
- Wait for the Microsoft Store to open automatically.
- Try installing Calculator again.
Method 9: Repair Corrupted System Files
If Windows system files are damaged, built-in apps may not function correctly.
Run System File Checker
Open Command Prompt as administrator and run:
sfc /scannowWait for the scan to finish and restart your PC.
Run DISM
If problems persist, execute:
DISM /Online /Cleanup-Image /RestoreHealthRestart Windows after the process completes.
Method 10: Install the Latest Windows Updates
Microsoft frequently releases fixes for built-in apps.
- Open Settings.
- Go to Windows Update.
- Click Check for updates.
- Install all available updates.
- Restart your PC.
Updating Windows may resolve Calculator issues without requiring reinstallation.
Common Calculator Problems
Calculator Won’t Open
Reset or reinstall the app using one of the methods above.
Calculator Closes Immediately
Repair corrupted system files using SFC and DISM, then reinstall the app.
Calculator Is Missing
Install it again through the Microsoft Store or PowerShell.
Microsoft Store Won’t Install Calculator
Clear the Store cache using wsreset.exe, then try again.
Calculator Displays Incorrect Results
Ensure you’re using the correct calculator mode, such as Standard, Scientific, or Programmer, and install the latest updates if the issue persists.
Tips for Maintaining the Calculator App
- Keep Windows 11 updated.
- Install Microsoft Store app updates regularly.
- Avoid removing built-in apps unless necessary.
- Restart your PC after major Windows updates.
- Run SFC occasionally if built-in apps begin malfunctioning.
- Keep enough free storage space for Windows and app updates.
Conclusion
The Windows 11 Calculator app is an essential utility for everyday calculations, and most issues can be resolved by resetting or reinstalling the app. Whether you use the Settings app, PowerShell, Microsoft Store, or Windows troubleshooting tools, Windows provides several reliable ways to restore Calculator to its default state. If reinstalling the app doesn’t solve the problem, repairing system files with SFC and DISM or installing the latest Windows updates can often fix underlying issues. By following the methods in this guide, you can quickly restore the Calculator app and keep it functioning smoothly.
Frequently Asked Questions
Can I uninstall the Windows 11 Calculator app?
Yes. Depending on your Windows version, you can uninstall it through Settings or PowerShell.
How do I reinstall Calculator?
Open the Microsoft Store, search for Windows Calculator, and install the official app, or use PowerShell to re-register it.
Will reinstalling Calculator delete my files?
No. The Calculator app does not store personal documents, so reinstalling it will not affect your files.
What should I do if Calculator still doesn’t work after reinstalling?
Run SFC and DISM, clear the Microsoft Store cache, install the latest Windows updates, and restart your computer before trying the app again.
