Graffic issue

[Whoop]

I have a small but very annoying problem. On my screen there are some horizontal lines that makes text that are in these lines to shrink a bit. IN attached screenshot it’s the rows where it says “You feel like the skin…”

I just took one example from one of the chatboxes but it’s the same for any text that are in these lines.

I have the same problem on all computers I installed eq on. Only common thing is that I have copied over eqclient.ini but its’ the same thing if I use a default eqclient.
This is only when I play p99 ofc, otherwise I do not have these lines.

Any ideas?