F1 24 3 files failed to validate

For me, the file integrity check in Steam always shows three files, too. But I do not have any problems with crashes or anything. Last week I did a fresh install after I deleted the game for a while, as I wanted to do some comparisons. I removed any remaining files and folders after uninstalling. The 3 "suspicious" files were already shown directly after the install. But, as said, everything seems to work without issues. So it may be the 3 files are not the reason for your problems.