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"Incorrect Function" and "Invalid MS-DOS Function" error.

Posted: Sun May 29, 2016 3:14 pm
by VikingRaider202
On my pc Windows 10 Factorio does not launch i tried through Steam and also a new download off of the Factorio site. What confuses me is i was able to play it a couple of months ago and now when i launch i get an error saying "Incorrect Function" and i tried uninstalling and reinstalling which didn't work. Also i tried deleting all files for a completely new install but i could not and got the error "Invalid MS-DOS Function". Please help i do not know what to do from here

Re: Technical Help FAQ - cause your problem might be known

Posted: Thu Jun 02, 2016 3:07 pm
by kinnom
try running factorio with compatibility mode

Re: Technical Help FAQ - cause your problem might be known

Posted: Thu Jun 02, 2016 4:43 pm
by Rseding91
kinnom wrote:try running factorio with compatibility mode
Compatibility mode is not required and can cause performance issues if used with Factorio.

Re: Technical Help FAQ - cause your problem might be known

Posted: Fri Jun 03, 2016 4:52 am
by steinio
Maybe it's a x64 exe on a x32 system?