Hello Niels. I'm Greg, here to help you with this.
1) See here how to add a Handy Take Ownership shortcut on your right click menu, to use in cases like this on files and folders which won't cooperate:
https://www.tenforums.com/tutorials/3841-add-ta...
When you get to the folder that will not open or flashes permission errors or any blocking message, just right click it to Take Ownership, down to the target file.
2) All other fixes are here for "You Don’t Currently Have Permission To Access This Folder" in Windows 10:
https://thegeekpage.com/fix-you-currently-dont-...
https://www.softwaretesttips.com/you-dont-curre...
https://www.wintips.org/fix-you-dont-currently-...
https://www.youtube.com/watch?v=8l8X2gm6smU
3) Try also these best fixes for hibernate in Windows 10:
https://pureinfotech.com/fix-hibernate-problems...
https://techrrival.com/fix-windows-10-shutdown-...
https://windowsreport.com/fix-windows-8-hiberna...
(Avoid ad links which intrude into editorial copy, especially DO NOT INSTALL Restoro, PC Repair Tool and Reimage ads)
https://www.youtube.com/watch?v=qJgl_xo9Poc
Feel free to ask back any questions. Based on the detailed results you post back, I will have other suggestions if necessary.
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