https://bugs.winehq.org/show_bug.cgi?id=32515
--- Comment #39 from Béla Gyebrószki gyebro69@gmail.com --- (In reply to Sebastian Lackner from comment #37)
I wanted to reproduce this issue, and decided to install the Demo of "Lara Croft: Guardian of Light".
But... I cannot reproduce the issues with file validation (succeeds without downloading new files, no message on terminal), and the game also seems to work properly (besides some wined3d rendering issues...
If you open the file content_log.txt in ../Steam/logs after performing file validation you should see that the game executable 'lcgol_demo.exe' has failed validation and was re-downloaded.