[issue20883] Windows 'for current user' installation - 32/64-bit registrations overwrite each other

[Martin v. Löwis]

Martin v. Löwis added the comment:

I haven't tested the per-user installations in the last five years, so I don't actually know what the problems are these days. One key issue is the elevated privileges topic (UAC). Correct me if I'm wrong: installing per-user still requires to run the installer with administrator privileges (i.e. you get the UAC prompt), right?

The other (solved) oddity is that the installer needs to include two copies of msvcrt, as the merge module only supports installation into the SxS folder.

As for this issue: if somebody provides a complete patch, I'm willing to consider it. Make sure to discuss backwards compatibility.

Simultaneous installation of multiple patch levels is out of scope of this issue. Note that you can get the installer to support it by editing the UpgradeCode in the MSI file with orca.

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<http://bugs.python.org/issue20883>
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