And yes, sorry dear, CatsXP developer says your card is too old. sorry again. So apply the flag ASAP. I'm sure Dave's got a better card, that would explain a lot.
Source.
"The graphics card is too old, the driver is not being maintained, and many problems have not been solved"
https://www.catsxp.com/forum/viewtopic.php?p=12720#p12720