Whenever I attempt to start the game, it simply will not start and Steam gives me an error message, “Failed to start game(unknown error)”. I have visited the Steam support page and verified the game files as well as delete the “appcache” folder. Can anyone offer some help?
Try reinstalling
I’ve done so twice, no results.
What OS are you running?
Windows XP SP3.
Oh god
Oh god damn
I don’t have a clue what your issue is then.
Why, why are people still using XP
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It’s ok, thanks for trying.
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Wait, are you using any mods?
No, I’m playing the vanilla game. I tried to install the UltimateLib mod when I first started, but I unsubscribed after the first time I got the error.
@ThisMustBeHalo Sorry for the troubles but at the moment we are working on a solution for Windows XP.
For some reason you get the error (not a Win32 application) on XP and therefore the game is not starting.
To be able to play the game in the meantime please opt in to the beta “withoutWorkshop” which is the previous version of the game (1.4.16).
Personally, I like XP more than Windows 8 
Its so simple. But because of compatibility, I cant even attempt using it.
The game works fine now, thanks everyone for the help!
I would suggest updating to a newer windows, or even ubuntu. (Zorin OS has a mode that looks a lot like XP)
It’s not safe to be on XP anymore, Microsoft isn’t protecting you anymore on it, haha.
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You should switch to Ubuntu 
im using XP too. hate that 8.1
Tried ubuntu. worst os ever!
How dare you
back to u
BTW. my 2nd mod is updated! try it plsss