Excel VBA Code editor Language display, LAO(lo_la) Languge

[pnuii]

Hi community, 

VBA code editor in excel 2019 or other version cannot display LAO(lo_la) language 

I change region at Administrative setting in Windows 10 is not help

anyway to fix this will be thankful.

Here are some snapshots

[#2]

Have you tried rebooting the computer after changing the locale?

[#3]

Yes, I already did that