Ms Windows

Fixing the Windows 10 Calculator Not Working: Step-by-Step Solutions

Overview of the Problem

Experiencing issues with your Calculator app in Windows 10 can be both frustrating and time-consuming. This problem can manifest in various ways, such as the app not launching, displaying errors, or freezing during use. These issues often arise due to several factors, including software glitches, system updates, or corrupted app files. Understanding the potential causes is crucial in finding the most effective solution to restore full functionality to the Calculator app.


Key Takeaways

  • Common Causes: Corrupted app files, outdated software, and system updates.
  • Step-by-Step Troubleshooting: Easy procedures for diagnosing and resolving calculator issues.
  • Prevention Tips: Best practices to maintain optimal performance and avoid recurrence of the issue.
  • FAQ Section: Answers to common troubleshooting questions related to the Calculator app in Windows 10.

Possible Causes

Several factors might lead to the Calculator app not functioning properly in Windows 10. Identifying these causes is essential for effective resolution.

  • Corrupted App Files: Files related to the Calculator app may become corrupted, leading to functionality issues.
  • Software Updates: Recent system updates might interfere with app performance.
  • Conflicts with Other Applications: Other running applications may clash with the Calculator app, preventing it from launching.
  • User account permissions: Insufficient permissions may restrict the app from functioning correctly.
  • Outdated Drivers: Outdated or missing drivers can impact overall system performance, including app functionality.
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Step-by-Step Troubleshooting Guide

If your Windows 10 Calculator is not working, follow this structured guide to troubleshoot and resolve the issue.

Step 1: Restart the Calculator App

  1. Close the Calculator App: Ensure the app is entirely closed.
  2. Reopen the App: Click the Start button, type “Calculator,” and open it again.

Step 2: Reset the Calculator App

  1. Open Settings: Click on the Start menu and select the gear icon for Settings.
  2. Go to Apps: Navigate to Apps > Apps & features.
  3. Find the Calculator App: Scroll down the list to locate the Calculator app.
  4. Advanced Options: Click on it, then select Advanced options.
  5. Reset: Click the Reset button. This will restore the app to its default state.

Step 3: Run the Windows Troubleshooter

  1. Open Settings: Navigate to Settings from the Start Menu.
  2. Go to Update & Security: Click on Troubleshoot.
  3. Select Additional Troubleshooters: Choose Windows Store Apps and select Run the troubleshooter.
  4. Follow Prompts: Allow the troubleshooter to identify and fix issues automatically.

Step 4: Update Windows

  1. Open Settings: Select the gear icon in the Start menu.
  2. Go to Update & Security: Click on the Check for updates button.
  3. Install Updates: Ensure all available updates are installed and restart the system.

Step 5: Check for file corruption

Using the system file Checker (SFC)

  1. Open Command Prompt: Search for “cmd” in the Start menu, right-click, and choose Run as administrator.
  2. Run SFC Scan: Type sfc /scannow and press Enter. Wait for the scan to complete and follow any prompts for repairs.

Cause / Solution Table

CauseSolution
Corrupted app filesReset the Calculator app
Software conflictsClose conflicting applications
Permission issuesRun the app as an administrator
Outdated driversUpdate device drivers
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Common Mistakes and How to Avoid Them

  1. Skipping Updates: Always ensure that your system and applications are up to date to avoid compatibility issues.
  2. Ignoring Permissions: Make sure your user account has the necessary permissions to access applications.
  3. Neglecting System Maintenance: Performing regular system maintenance can prevent issues from arising.

Prevention Tips / Best Practices

  • Regularly Update Windows: Keep your operating system updated to benefit from the latest features and fixes.
  • Manage Applications: Regularly monitor and uninstall apps you no longer use to minimize resource conflicts.
  • Backup Important Files: Maintain backups in case of major system failures.

FAQ Section

How do I restore missing Calculator in Windows 10?

You can reinstall the Calculator app by navigating to the Microsoft Store, searching for the Calculator, and selecting ‘Install’.

What if the Calculator still doesn’t work after resetting it?

Consider running the Windows troubleshooter, checking for Windows updates, or verifying that your user account has the right permissions.

Why does my Calculator keep crashing?

Multiple reasons may cause crashes, such as app conflicts or memory overload. Following the troubleshooting steps outlined earlier can help resolve this.

How can I check if my Windows system files are corrupted?

Run a System File Checker scan as described in Step 5 of the Troubleshooting Guide.


In conclusion, dealing with a non-functional Calculator app in Windows 10 can be inconvenient, yet most issues can be resolved through systematic troubleshooting and preventive measures. By understanding the underlying causes and following the structured guides provided, you can restore the app and ensure its ongoing functionality.

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About the author

Jeffrey Collins

Jeffrey Collins

Jeffery Collins is a Microsoft Office specialist with over 15 years of experience in teaching, training, and business consulting. He has guided thousands of students and professionals in mastering Office applications such as Excel, Word, PowerPoint, and Outlook. From advanced Excel functions and VBA automation to professional Word formatting, data-driven PowerPoint presentations, and efficient email management in Outlook, Jeffery is passionate about making Office tools practical and accessible. On Softwers, he shares step-by-step guides, troubleshooting tips, and expert insights to help users unlock the full potential of Microsoft Office.