Is this about ice on the windows, or about an FpS stutter ? When it’s ice… guess… it’s getting winter ? 
What aircraft, what location… and did you check Options ? You can set icing off in Assistents…
Is this about ice on the windows, or about an FpS stutter ? When it’s ice… guess… it’s getting winter ? What aircraft, what location… and did you check Options ? You can set icing off in Assistents…