can’t see tabs in display properties

I don’t know how far back this went and I’ve had some problems in the interim that make me hesitate to roll by the system state.
I ran the recommended security checker and also the reg edit fix recommended in #185 as in
https://www.techrepublic.com.com/5208-6230-0.html?forumID=101&threadID=225967&messageID=2581189
Any other ideas?
thx
k