MikTeX 32 bit broken after update?

Dear list,

after the last update I got the fontspec (setmainlang) error that was also
discussed here. I even installed the latest updates from early August. I
could not avoid the problem by playing with the MikTeX administration tools.

On one machine running Windows 10 64-bit, I solved this problem by
completely purging the MikTeX install (that was a 32-bit version) and
making a clean install of MikTeX 64-bit. It works even with the latest
updates.

On other machine, running Windows 7 32-bit, I made the same process as on
the previous one but installed MikTeX 32-bit. After the upgrade, the
problem persists. Maybe there is something in the MikTeX 32-bit
installation that gets it broken?

Thank you for any help.

With regards,

Jindrich Marek
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