Kensington Expert Wireless Trackball was my answer to all these problems. [There is a wired version also.] It is ambidextrous so I can use it with either hand alternating weeks reducing repetitive stress. The software seems fine to me. The batteries are replaceable AAA and last a long long time. I never noticed a problem with the numerous Windows 10 updates, FireFox 73.0.1 64 bit, Thunderbird, WordPerfect or Microsoft Excel. These are most used programs.