Microsoft provides an image to install Windows IoT which can be downloaded here and it’s basically installed into a storage device (very common to see SD Cards.) If you download the Windows IoT dashboard, you will get an .exe file which will install the dashboard. The dashboard will allow you to download the OS from the Windows Store, and also install it onto a storage device. If while trying to download and install the file from the dashboard you get the error 0x80070005 then you are getting an access denied error. Please note that this error does not only occur while installing this software, but you might also get it with Windows Updates, Windows Restore Point, Windows 8/10 apps downloaded from the store, among others. There are several solutions to fix this problem, however please note that to install Windows IoT you need to be running an administrator account, and not a standard one, and also make sure your Operating System is updated to the latest version.
Method 1: Reset your windows Store
This will reset your Windows Store Cache
Method 2: Repair Windows Permissions
Download the tool SubInACL from here. Install the tool in its default directory. Click here to download the code, and Save the file as cmd (Make sure the saves as type dropdown is shown as all files.) Locate the file you just created, right click on it and run as administrator. Once the execution ends, please try to reinstall Windows IoT.
Method 3: Do a clean boot to make sure there’s no software causing conflict
For Windows 8 and Windows 10. For Windows XP, Vista and 7. Once your computer has booted without any software, try to reinstall Windows IoT.
Method 4: Disable UAC
Method 5: Fix permissions of the AppData folder
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