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Failed to start CoP and CS

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  05:25:48  29 July 2013
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Jamjor
(Novice)
 
On forum: 12/10/2011
Messages: 42
Failed to start CoP and CS

So I haven't played either CoP or CS in months. SoC runs fine.

I have mods on all Stalkers, but I did clean installs of both CS and CoP. Right when I click play, it says failed to start app.

After Reinstalling CS, it runs the game but goes to a black screen. It sits there for about 10 seconds, then goes back to desktop and my xray engine is running, but no game anywhere.

Does anyone know what my problem is?
  12:45:41  29 July 2013
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romulous
Senior Resident
 

 
On forum: 12/28/2007
Messages: 1868
Do you happen to have Windows update KB2670838 installed? If so, uninstall it. It breaks DX10 in a number of games, including the STALKER series (SHOC is not DX10 compatible, only CS and COP are, so SHOC would run fine with it installed).
  00:56:09  30 July 2013
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Jamjor
(Novice)
 
On forum: 12/10/2011
Messages: 42

---QUOTATION---
Do you happen to have Windows update KB2670838 installed? If so, uninstall it. It breaks DX10 in a number of games, including the STALKER series (SHOC is not DX10 compatible, only CS and COP are, so SHOC would run fine with it installed).
---END QUOTATION---



I uninstalled that just now. No dice.

Is there more than one update that I have to delete? I did the only one with that code I could find.
  01:23:06  30 July 2013
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Roadkilll
Merc
(Resident)

 

 
On forum: 05/27/2011
Messages: 1307
Try deleting user.ltx in documents and try to play.
  14:30:00  10 September 2013
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romulous
Senior Resident
 

 
On forum: 12/28/2007
Messages: 1868
Bumping an old topic I know, but this is more for anyone else looking for solutions to a problem like this in the future rather than myself. I have just found that on my new Windows installation, COP will not startup is Sun Quality is set to Max High in the game options.

I removed the KB mentioned above to get CS working again (Windows installed it by default once I ran Windows Update to get all the latest patches), but then couldn't work out why COP would not start (it would start to run, get to a black screen and then stop).

I removed the user.ltx file, which made it run, and then I started changing graphics options one at a time to see what caused it to fail. That option was Sun Quality, and Very High was the highest I could set it without causing the game to fail. This was with COP set to DX10.1, I didn't check it with DX11.
 
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