May-25-2021, 01:18 PM
(May-25-2021, 12:37 PM)branty1970 Wrote: Just found a way to get further. I've installed Python 3.9.0 using the web installer. That worked. But there is no web installer for newer versions. But, maybe this has shifted the problem. I'll try again with a newer version when I get the chance.
Just tried with Python 3.9.5 (the latest version at time of writing) and I get the original error. The installer fails looking for core.msi and gives the error code 0x80070643. Clearly the web installer works differently. But the web installer isn't an option for all versions.