How to Fix Calculator App Not Opening or Crashing on Windows
Windows Calculator won't open, crashes immediately, or shows a blank window? Fix Calculator app launch failures, UWP app registration, and Microsoft Store app issues.
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Main Troubleshooting Guide
How to Fix Microsoft Store Not Working →Complete symptoms, causes, and step-by-step solutions
Symptoms
You might be experiencing this problem if you notice:
- •Calculator opens for a split second then closes
- •Calculator icon bounces in taskbar but window never appears
- •Calculator shows blank white or black window
- •"This app can't open" error when launching Calculator
- •Calculator missing from Start menu entirely
- •Calculator works in Safe Mode but not normal mode
Common Causes
- ⚠UWP app registration corrupted
- ⚠Windows Store cache preventing app launch
- ⚠Missing Visual C++ or .NET runtime component
- ⚠User profile corruption affecting UWP apps
- ⚠Third-party optimization software removed required components
- ⚠Windows Update failed to update the app properly
Solutions
Solution 1: Repair Calculator App
- 1Go to Settings > Apps > Installed apps
- 2Search for "Calculator"
- 3Click the three dots > Advanced options
- 4Click "Repair" — wait for the checkmark to appear
- 5Try opening Calculator again
- 6If still broken: click "Reset" in the same menu
Solution 2: Re-register All UWP Apps
- 1Open Admin PowerShell
- 2Run: Get-AppxPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppxManifest.xml" -ErrorAction SilentlyContinue}
- 3This re-registers all built-in Windows apps
- 4Wait for the command to complete (may take 2-3 minutes)
- 5Some red errors are normal — they indicate apps that don't need re-registration
- 6Try Calculator again after the command finishes
Solution 3: Reinstall Calculator
- 1Open Admin PowerShell
- 2Uninstall: Get-AppxPackage *WindowsCalculator* | Remove-AppxPackage
- 3Then reinstall from Microsoft Store: search "Windows Calculator" > Get/Install
- 4Or: run Get-AppxPackage -AllUsers *WindowsCalculator* | Foreach {Add-AppxPackage -Register "$($_.InstallLocation)\AppxManifest.xml"}
- 5If Microsoft Store also doesn't work: run wsreset.exe first
- 6Then try the Store reinstall again
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