For information :

My French version is the "Enterprise" version

New installation standard version with SP6 in English on another XP computer and I recovered the 3 files :

VB6.exe: 6EBDCE45415F8951301699599F057195
VBA6.dll: CAC38827BCD9F710EAE33F949F96EF96
VB6IDE.dll: 278E2CB9140BEEB92C5397B4D8B86D3A

The 2 DLLs which have the same MD5 as your files and have been patched but VB6.exe against the patch refuses.

I continue my investigations