@NeilR_M Thank you for your answer. I thought something like that was plausible. I'm going to post your answer in Reddit, there was at least one other dude with the same issue. Thx.

Been seeing a pop-up for an update to the OC220 controller software for a few weeks now, but every time I confirm and click upgrade to this message: "New Controller software 1.4.6 Build 20260228...