I`ve solved the issue :D
as I suspected it was fault of invalid entries of proto files in master.dat
the program ProcessDat2 posted an error message that I have ignored...
about missing Msvcr71.dll (some Visual C file by mistake not included in WIN7 and above)
i`ve puted the Msvcr71.dll in...
I also got "save problem"
ASUS G751JY laptop
Running on steam.
windows 10 pro PL
Antivir Avast Premier
Malwarebytes Antimalware premium
for thrird time trying to:
a) reinstall game
b) renamed patch000.dat
c) applied megamod full repack 2.5.3
d) applied megamod patch 2.5.4
previously got...