Anyway even if I don't know the Jiri-Fojtasek's version (I should regarding the great work he has done with HL !! ) I saw a lot of treads talking about that ...
Finally found the reason why !
As HL is written in Visual Basic I reinstalled all Visual Basic Runtimes (from V3 to V6) in my Windows System folder ... just in case and ...BINGO !!
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) I saw a lot of treads talking about that ...