No internet (Killer E2200) after update Windows 10

Hey guys,

I have a Z97 Gaming 3 (MS-7918) motherboard with Killer E2200 Gigabit Ethernet Controller and running Windows 10.
Windows 10 is forcing an update, but after that update I cannot connect to internet. The Windows problem fixer says there might a problem with the driver for the adapter for Ethernet but won't fix it. I have been busy for hours trying to fix it myself but to no avail. Can someone help out?

I have tried:
-Following this fix: https://www.killernetworking.com/driver-downloads/kb#faq_55 with both the recent and the beta version from the most recent drivers page (https://www.killernetworking.com/driver-downloads), but still no internet.
-Going back to the older version of Windows 10: this fixes the problem, but Windows then forces me to update again and I'm back on square 1.
-Tried unchecking the box 'Killer Bandwith Control' in the adapter properties (some old forum post recommended this), but when I press OK it says an unexpected situation occurred and no changes have been applied.
-Tried using Qualcomm Atheros AR8161 PCI-E Gigabit Ethernet Controller drives to make my computer recognise it as an Qualcomm Atheros instead (some old forum post recommended this because Killer is notorious in causing trouble), but this  did not help (after system recovery I am now back to Killer).

Above tries have gotten me nowhere. Note that in Device Manager, the ethernet adapter (Killer) does not show an error, it says it's working. Version of the driver it shows in properties is 9.0.0.46 (31-8-2017).

If you require more information before being able to help, please let me know (and how I can find it). Getting rather desperate here!
Thanks in advance