Access Control Entry is Corrupt

I had the exact same problem as Hsienz; with the access control corrupt message.

When I was applying the steps SteveNone1966 described for WindowsApps folder (making the child object inherit the settings), I have noticed that the source field had something like "SYS:Win7" or similar (Mentions that it was ported from Windows 7). Is it possible that the update process from Windows 7 to Windows 10 might screw the user up? Does that also mean, that everyone here who had this issue have updated to Windows 10 from an earlier version?

Let me ask a generic question usually asked by the support persons here: Does this error occur to anyone under a new user? This is the next best thing I can thing of to test if a problem have occurred during update that does not involve reinstalling Windows 10.

I have done these steps before, although I didn't know what to set exactly, and may have given unnecessary permissions for some files in the past. However, last time I have installed Krita, and before that, RoslynPad; neither of them were able to run. I did the steps mentioned by SteveNone1966, but running from the start menu now gives me "Invalid parameter" (Translated back from: "A paraméter nem megfelelő") message. Running the executable directly now works. These programs are installed on another drive configured through the modern app settings window -> System. I have not yet tried to restart the system.

I had the same (or a very similar) issue.

Explanation: Windows (as many people know & have experienced by now) automatically installs advertised games such as 'Candy Crush Soda' to your computer as well as other products. IF one of those products or something you downloaded from the 'Windows Store' is running (including hidden background processes), this causes the/a similar error to occur because a program is currently using one or more files that you're trying to edit the permissions of.

My Solution: Force closed the program I had open & uninstalled all the useless crap (as a preventative measure *wink*]

Note: While my issue was very similar, it may not be the same exact issue as OP's. Apologies if my solution doesn't help.

That was exactly the problem.

I changed owner and then it said I had taken ownership, allowed me to access the folder!

Thanks!

That was exactly the problem.

I changed owner and then it said I had taken ownership, allowed me to access the folder!

Thanks!

I am in a dire situation, and it all stems from Windows blocking me from accessing the WindowsApp folder (I have ALWAYS been able to change folder permissions without issue up to Windows 7). So I made the horrible mistake of granting myself, or more precisely my login account, access. From there the problems have progressively gotten worse. Here's everything I tried to fix the issue.

1. WSreset.exe does not work. Results in ms-windows-store:purgecaches app didn't start.

2. Windows App Store Troubleshooter does not work.

3. Resetting Windows Store app does not work.

4. Manually running the last Windows update does not work.

5. Creating a new account does not work. Worst, the Windows Store and Apps in the new login do not launch, and all I see is are blank icons with the "words" ms-resource:AppDisplayName, ms-resource:IDS_MANIFEST_VIDEO_APP_NAME, and so forth.

6. DISM.exe /Online /Cleanup-image /Restorehealth coupled with sfc /scannow does not work.

7. Running a brute-force reinstall of every Windows App including Windows App store with the following Administrative Powershell does not work.

Get-AppxPackage -AllUsers| Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}

8. I even tried giving Ownership of the WindowsApp folder back to TrustedInstaller, and this does not work.

As you can see, I have tried many solutions and not one works. What should be a routine repair procedure has turned into a six-hour ordeal (and counting). It's 4:08 AM as I write this and I have work in 2 hours, with no sleep. 

Microsoft you know your software better than me. You know your permission settings better than me. You are definitely more knowledgeable of Windows 10 than I am. Everything happened because you allowed me, the user, to change the security of the WindowsApp folder in such a way that it caused damage. And not fixable damage, but the type of damage that your own solutions cannot repair; at least those I tried above.

Is there no other way to salvage this because right now my only two options are this: Reset Windows 10 and lose all my apps but keep my data, or Reset Windows 10 and lose EVERYTHING. I remember an option in Windows 7 Boot where you could perform a "soft" reinstall of Windows 7 where it wouldn't wipe out your data, it would simply factory reset Windows itself. Is something like this available in 10?

Update: the reason why nothing above worked is because of my follow up comment below. TL;DR the folder did not have the proper permissions. Seems like such an easy thing to look for and correct (on the fly).

Try changing the owner, type Users, and you will have full access!

Wow! This solved my issue!

Take note Microsoft! This simple fix of setting ownership of WindowsApps folder and all subfolders to "Users" was all I needed to do. You should add that to your troubleshooter tool. In the six plus hours I spent on this, most of the problems I saw happened when people accidentally or unknowingly changed WindowsApp permissions. By having the Windows Store App tool perform an integrity check for that and make repairs at launch you make the app much easier to use for us. 

More to the point, overall doing this makes Windows Store App a viable contender to Steam, Origin, Uplay and other distribution platforms. Because, to be honest, I've never had a problem with those apps. They just work. 

Right click on the folder, select "Properties", click on the Security tab, click on the "Advanced" button. Next to Owner click "Change", then click "Advanced" and proceed to select "Find Now". Expand the "Name" column on the bottom section of your current window so you can view all the available selections. Scroll down until you see your username, select it and click OK. Click OK on the "Select user or group" window and finally click "Apply" on the window titled "Advanced Security Settings for [folder]" Close out of the dialogue box and properties windows.

You now have full access to the folder.