First, I've installed Steam over current instalation with no success. Then, I've manually removed almost all Steam files(too lazy to do game backups) and during that process I found inaccesible corrupted folder. After this I've started chkdsk with restoring broken sectors option, which "repaired ...

Here it is.

No updates available for Steam.

I have Steam version, haven't played the game since March, recently updated it and it now crashes on 29% mark during the initial load. I've tried reinstalling it, disabling mods, disabling Steam Cloud and Steam Overlay and using Steam autonomus mode with no results, however, downgrading to 1.1.80 ...