Ok so now we know we are dealing with an outdated version of Ubuntu MATE since End of life was 2023 and for more information visit this link:
My best bet is that you try and upgrade your system to the never version since most of the stuff isn't updated anymore and so things may or may not be fixable in any other way
I myself don't know what your issues are since you haven't specified any so try and do that so we can be able to help you more precisely