How to fix “Windows Store Cache may be damaged” on Windows 10?

Issue: It’s not the first time when I get the “Windows Store Cache may be damaged” error message on Windows Store. I’ve noticed that it indicates a different error code in each case. Anyway, the outcome is always the same – I’m not able to download apps from the store. Could you please help?

Solved Answer

Windows Store is one of the most important parts of Windows OS, which is visited by millions of Windows 10 every day. Unfortunately, but Microsoft enthusiasts count tens or even hundreds of Windows Store errors, which occur while trying to download/install/launch apps from it. The “Windows Store Cache may be damaged” error is probably the most common out of them. Typically, it emerges when downloading or updating apps and this may be a fatal error for those running the new Windows 10 S version, which allows running the apps downloaded from the Windows Store only. The culprit of this bug is explicitly indicated by the error message itself – damaged Windows Store cache. Therefore, it would be expedient to reset Windows Store to resolve the issue and check if that helped. If, however, resetting the store did fix “Windows Store Cache may be damaged,” we would recommend you to modify Windows Store cache folder or reinstall the Windows Store app. Since these fixes require some specific knowledge, we’ll provide the instructions down below.

TIP: before performing any fixes below, we would recommend running Windows Store Troubleshooter. This tool may identify the culprit of the “Windows Store Cache may be damaged” error and provide more technical information about it.

an image of “Windows Store Cache may be damaged” errorFixing “Windows Store Cache may be damaged” error on Windows 10:

Solution 1. Reset Windows Store

  1. Press “Windows key + R,” type “C:\Windows\System32,” (without quotes) and press “Enter.” (C: stands for the root driver, so change the letter if needed).
  2. Find the “WSReset.exe” application in the System32 folder.
  3. Right-click on it and select “Run as administrator.”
  4. Press “Yes” on the UAC window and close everything.
  5. Restart Windows Store app and try to download the app you needed.

Solution 2. Rename the Windows Store Cache folder

  1. Press “Windows key + R,” type “C:\Users\\AppData\Local\Packages\Microsoft.WindowsStore_8wekyb3d8bbwe\LocalState,” (without quotes) and press “Enter.” NOTE: replace the C: with the letter of your root drive and with your user account name.
  2. Once you access the LocalState folder, look for the Cache folder.
  3. If you found it, rename it to “Cache.old.”
  4. Then right-click on the empty space in the LocalState folder and select “New” -> “Folder.”
  5. Name it “Cache” and close File Explorer.
  6. Reboot your PC and then run Windows Apps Troubleshooter.
  7. If it finds that Windows Store cache is still damaged, it should fix it autoamatically.

Solution 3. Reinstall Windows Store

  1. Click “Windows key + R,” type “PowerShell,” (without quotes) and press “Enter.”
  2. Right-click on the search results and select “Run as Administrator.”
  3. Type “Get-Appxpackage –Allusers” and press “Enter.”
  4. Find “Windows Stor”e entry and copy the package name. For this purpose, mark it and press “Ctrl + C.”
  5. After that, type Add-AppxPackage -register “C:\Program Files\WindowsApps\” –DisableDevelopmentMode command.
    NOTE: replace PackageFullName with the Windows Store package name by pressing “Ctrl + V.” Besides, instead of C: type the letter of the root driver of your system.
  6. Reopen PowerShell with administrative privileges as explained above.
  7. Paste Add-AppxPackage -register “C:\Program Files\WindowsApps\” –DisableDevelopmentMode command and press “Enter.”
  8. Finally, reboot the system to execute all changes.

If none of the steps listed above helped to fix “Windows Store Cache may be damaged” error on Windows 10, the last couple of things that we can offer is to uninstall/reinstall the problematic application or run a scan with FortectMac Washing Machine X9, RegCure Pro or an alternative optimization tool to check the overall PC’s condition.

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About the author
Olivia Morelli
Olivia Morelli - PC & Mac repair expert

Olivia Morelli is a young, but a perspicacious IT expert who is currently just a year away from a Bachelor’s Degree in Software Systems. Her primary passion is cyber security, however, thanks to her detailed understanding of computer networks, operating systems and hardware, she can find a fix for any PC or Mac issue...

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