MikTeX Update Wizard break with API 3 Error

[Matthiasss]

Bug report

The last update Installation breaks with Windows (10) API 3 Error. Image attached. The error is, that Miktex will start mpm from the path F:\MiKTeX\miktex/bin/x64\mpm.exe.
But the real path is F:\MiKTeX\texmf\bin\x64\mpm.exe.
I have nothing changed in installation before update and the path is unchanged written in Windows PATH.
Now MiKteX doesnt start started from WinEdt.

update.log

Matthias

[edocevoli]

How did you start the update wizard? From the Windows start menu?

I am asking because you mentioned WinEdt.

[Matthiasss]

Yes, I started it from start menu as Admin.

[Matthiasss]

Oh sorry, this was a mistake: I didn't know what "Close and comment" means ... I'm still waiting for help.

[edocevoli]

I will try to create an installation like yours in order to reproduce the bug. Can you guide me how to do it? I think the main installation directory will be F:\MiKTeX\texmf. Anything else I have to consider?

[edocevoli]

What I don't yet understand: you say the mpm executable can be found in F:\MiKTeX\texmf\bin\x64\mpm.exe. But if if F:\MiKTeX\texmf is your main installation directory, then the path should be F:\MiKTeX\texmf\miktex\bin\x64\mpm.exe. I think you have done something special. Can you show the output of initexmf --report?

[Matthiasss]

You are right: F:\MiKTeX\texmf\miktex\bin\x64\mpm.exe is the right path: I typed it manually and forgot the miktex part ...

initexmf --report.txt

[edocevoli]

Thank you. I was able to reproduce the bug and will make a fix available later this week.

As a workaround: you can start the update wizard directly:

F:\MiKTeX\texmf\miktex\bin\x64\internal\miktex-update_admin.exe

The bug only occurs if MiKTeX is installed in a path ending with \texmf.

[Matthiasss]

Thank you for help.

[edocevoli]

I think this has been fixed. The new updater finish with out an error message.