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#11
I have no idea how you tried to delete hibernation.
Here's how to do it:
At an elevated command prompt, enter this command:
powercfg -h off
Maybe reboot.
That should free up a bunch of space on C that should be enough to let you make a page file on C and delete it from E.
You can turn that System Restore allowance to zero, but it doesn't look like it's using any space right now.
In Disk Cleanup, make sure you select "Clean up system files".
Do as much of the above as needed to generate free space on C.
You may or may not have something cuckoo on C that is eating up space unnecessarily, but worry about that later, after you get rid of E.