Hi Aries. I'm Greg, 10 years awarded Windows MVP, specializing in Installation, Performance, Troubleshooting and Activation, here to help you.
Other than the DISM command you ran, you can also type in Search Disk Cleanup, run it as Admin, when it reports choose the button for System Files, then run it again and clean up what it finds.
Tutorial here: http://windows.microsoft.com/en-us/windows-10/d...
More discussion about why not to tamper with that folder any further here:
https://answers.microsoft.com/en-us/windows/for...
https://answers.microsoft.com/en-us/windows/for...
https://superuser.com/questions/1621421/can-i-s...
https://www.reddit.com/r/windows/comments/bzpra...
Feel free to ask back any questions. Based on the results you post back I may have other suggestions if necessary.
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