I have tried every option and searched every forum. Both Spintires and Spintires: MudRunner crash on startup. Flashes then goes back to desktop. Spintires has worked fine for me for years. the error I see in the mudrunner log states "vertex texture fetch not supported." I have a GTX1080.
Recently updated your graphics driver? If so, you could try rolling back to a previous driver. Good luck.
@wdhurley, if not will help the, that woman suggested that man from above:
Run Steam and click LIBRARY.
Click 'Spintires: MudRunner'.
Press and hold the Shift key then click 'PLAY' button.
Quit the game or once the game has crashed:
Open 'Windows Explorer' or 'File Explorer' from the taskbar.
Open the 'Local Disk (C:)' from 'Computer' or 'This PC'.
Open the folder 'Users' then your Windows User Account folder.
Open the folder 'AppData' () then the folder 'Roaming'.
Open the folder 'SpinTires MudRunner'.
() The 'AppData' folder is a hidden folder by default, to view this folder:
Please provide the game log (file 'Log.txt').
Upload it on any file sharing, or directly on the server forum and give a link.