[Bug 45663] Multiple 64-bit MSI installers fail with 'err:msiexec: custom_action_server Failed to create custom action server pipe' ( MS .NET Framework 4.x, Python 2.7, PSIM 11)

https://bugs.winehq.org/show_bug.cgi?id=45663

--- Comment #9 from Zebediah Figura  ---
(In reply to farmboy0+winehq from comment #8)
> Quick Question: When trying to install dotnet35 in 64bit prefix the install
> fails during install with
> 01a9:err:msiexec:custom_action_server Failed to read from custom action
> server pipe: 109
> 01af:err:msiexec:custom_action_server Failed to read from custom action
> server pipe: 109
>
> Is this error related or unrelated to this one?
> (I think its unrelated because the same error happens with wine 3.12 and its
> also not fixed by your patch, just want to make sure)

Yes, that looks different. I suspect it's the bug mentioned in bug 45483,
comment 7, though a new bug report probably wouldn't be a bad idea.