With Windows 10 Anniversary Update, Microsoft introduced the modern version of the Sticky Notes app to replace the classic Sticky Notes program, which we all have used and familiar with. The new Sticky Notes app ships with a couple of new features that are not part of the classic Sticky Notes program. In addition to the new features, the advantage of the Sticky Notes app is that we can easily reset and reinstall the app if it doesn’t work as it’s supposed to. While Windows 10 doesn’t offer a very straight-forward way to reinstall the Sticky Notes app, you can reinstall Sticky Notes in less than five minutes, either using the built-in PowerShell or using a third-party tool such as CCleaner. However, resetting the app is straightforward, as it can be done under Settings. If the Sticky Notes app is not opening or not working, you can reset and reinstall it by following given below directions. Because only Windows 10 Anniversary Update (version 1607) and later versions ship with an app version of the Sticky Notes app, this method doesn’t work on versions 1511 and older versions of Windows 10. Method 1 – reset Sticky Notes app Method 2 – reinstall Sticky Notes via PowerShell Method 3 – reinstall Sticky Notes using CCleaner Method 1 Reset Sticky Notes app in Windows 10 Note that resetting the Sticky Notes app might delete all existing notes. Step 1: Open Start menu, click the Settings icon to open the Settings app, click System, and then click Apps & features. Step 2: Click on Sticky Notes entry, click the Advanced options link, and then click Reset button. Step 3: Click the Reset button again when you see the confirmation dialog to reset the Sticky Notes app. Method 2 Reinstall the Sticky Notes app via Settings Step 1: Navigate to Settings > Apps > Apps & features page. Step 2: Scroll down the page to see the Sticky Notes entry. Click on it to reveal the Uninstall button. Click on the Uninstall button. When you get the confirmation prompt, click the Uninstall button again. Step 3: Once the Sticky Notes app is removed, open the Store app, search for Microsoft Sticky Notes, and then install the same. Method 3 Reinstall Sticky Notes app using PowerShell If you’re not familiar with PowerShell, please follow the directions in Method 2 of 4. Step 1: Open PowerShell with admin rights. To do so, type PowerShell in Start menu or taskbar search, right-click on the PowerShell entry, and then click Run as administrator option. Click Yes button if you see the User Account Control prompt to launch PowerShell. Step 2: At the PowerShell window, type or paste the following code and then press Enter. Get-AppxPackage Microsoft.MicrosoftStickyNotes | Remove-AppxPackage Method 4 Another way to reinstall Sticky Notes via the PowerShell Step 1: Launch the PowerShell as an administrator. Type the following command: Get-AppxPackage –AllUsers Executing the above command will list all installed default apps in Windows 10, including the new Sticky Notes app. Step 3: Now, look for Sticky Notes entry, and once you find it, copy its PackageFullName as shown in the picture below. To copy PackageFullName, select it, and then use Ctrl + C hotkey. Step 4: Finally, execute the following command to uninstall the Sticky Notes app. Remove-AppxPackage PackageFullName In the above command, replace PackageFullName with the actual PackageFullName, which you copied in the previous step. Step 5: Close PowerShell. Step 6: Open this page of Store in your browser, click Get the app button to automatically open the Store link in your Store app, click Free/Install button to begin downloading and install Sticky Notes app. That’s it! You just reinstalled the Sticky Notes app in Windows 10. Method 4 Reinstall Sticky Notes app in Windows 10 using CCleaner Users who don’t want to use the PowerShell to uninstall the Sticky Notes app can use CCleaner (free) to easily remove the Sticky Notes app. Here is how to do that: Step 1: Download CCleaner for Windows 10. Run the setup file to get it installed. Step 2: Once installed, launch CCleaner, click Tools and click Uninstall to view all installed default apps, apps installed from Store as well as traditional desktop applications. Step 3: Click on Microsoft Sticky Notes entry to select it and then click the Uninstall button. Click the OK button when you see the confirmation dialog to remove the app. Step 4: Now that Sticky Notes is uninstalled, visit this page of Sticky Notes in your browser, click Get the app button to open the link Store app, and then click Install or Free button to download and automatically install the app. Simple as that! Learn how to restore deleted Sticky Note notes in Windows.