I am running Dell Fan Management - the version in your December 11, 2022 comment at the link
on a Dell XPS 15 9570 using Windows 11 x64 Professional Edition 22H2 and there seems to be a major resource leak as it is using over 224,000 handles after 3 days, I manually run it as soon as I login to Windows immediately after the system starts as seen in the screenshot below from System Informer (formerly known as Process Hacker):
Also, a suggestion might be to actually include a version number or date in the about section. Other than that, many thanks for providing the program.