Garmin express has worked perfectly for several years on my PC (on Windows 10), but now it suddenly doesn't start at all. Garmin Express shows as a pop up for a few seconds and then nothing happens. I have tried to remove and reinstall several times. Also tried to remove Garmin_Ltd._or_its_subsid and installed Microsoft.NET Framework 4.6.2, but no change. Also tried to install a previous version v6.7.10, which came up fine, but then required that the newest version was installed.... (failed again)