Cannot open Sketchup 2021 anymore

Hellou,
During modeling my pc (win10) got frozen, a had to restart it. After this I cant open skp 2021 anymore. Double click to icon, and after while I see only bug splat screen. I tried to reinstall it completely, but whit still with same bug. I tried to install trial of skp 2022 and it works fine. Please, any idea?
Thank you.

What steps did you take to reinstall it? Exact steps, please.

Your profile says you have SketchUp 2021 “Free plan” but there is no such version. Please correct your forum profile.

Do you have a current subscription for SketchUp? You could just go ahead and use 2022 or 2023.