DOW lags in 2021 (Warhammer 40.000: Dawn of War)

Hello everybody.
I decided to give myself nostalgia and got a game in the incentive. (Warhammer 40,000 Dawn of War - Game of the Year Edition)
Nakata Rusik from Russobit and played for half an hour, and then began a wild lags (
Resetting the results did not give even a clean anglitski version lags, already once at the stage of the main screen..
HELP tovarischchi !!!!!