[issue45420] Python 3.10 final installation failure

[wyz23x2]

wyz23x2 <wyz23x2 at 163.com> added the comment:

> This kind of issue can also arise when you directly delete the install, rather than uninstalling it.
Sort of, but I expected upgrading with a new directory to work. When the first few times didn't work, I deleted the installation directly (should have uninstalled it). :(
> Best thing to do if you can is to run a repair through the Add Remove Programs entry, and then uninstall it (this is because ensurepip needs a working install to uninstall itself... not ideal, but that's how it was added). Then you should be able to do the proper install.
Running from the Add Remove Programs entry prompts for admin access. (Is there a way to do that in Control Panel?) Directly running "repair" in the rc2 installer with admin says "No Python 3.10 installation was detected", error code: 0x8007064. (Same error message & code when running 3.10 final installation.)

Sorry if the problem is complicated.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45420>
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