My Files Is Access Denied Because I Owner

Please Help Me Someone I Tried To Delete My Files Is Denied Access But I Is Owner I Don’t Know This Error And Please Admin InfinityFree To Delete Files “ErrorPage” On My Files Account Please
I Hope Admin InfinityFree Read This

This ScreenShot

You can’t edit stuff in the root folder. But the content doesn’t influence your websites, so it shouldn’t matter.

So how can I reset all my hosting file sites without having to close my web hosting account