yes, I figured out that McAfee was on the machine (new HP desktop installed an unwanted McAfee). I did not notice until I installed XAMPP and tried to run mysql. When mysql did not start I got serious about looking for crapware, and found McAfee. Uninstalled that, and then reinstalled XAMPP, which t...

follow up: I tried the older installer: Phidget22-x64_1.5.20191113.exe from my other machine and it worked fine on the new machine.
When it launched the Phidget control panel, it offered to update to the newer version. That update failed.
See image:

I downloaded the installer to a brand new windows 10 machine, C:\Users\gelli\Downloads\Phidget22-x64_1.6.20200921.exe when I double click or try Run as administrator, the installer GUI does not show up, instead the installer exe is deleted.There is a message box but it flashes by too quick to see. I...