In the bugs list on the steam forums it states the following:
Game crashes after intro
For some players the game just crashes after the intro has stopped playing.
If they use a workaround to skip the intro, it crashes instantly.
Possible fix :
Link
Simply open up a new text document, paste the correct entries for your operating system and save it as "l4d2reg.reg" for example, then just run the .reg file. Observe that this is at your own risk. It's a reg fix floating around the web and while it have fixed the problem for some without creating any other problems I still recommend doing a backup of your registry before trying this. Thanks to : Roxarn
Solved by valve : Unconfirmed.
Confirmed by :
http://forums.steampowered.com/forum....php?t=1028907
http://forums.steampowered.com/forum....php?t=1028914
http://forums.steampowered.com/forum....php?t=1030930
prioryjk
None of the steam forum links work any more.
the link is to a swedish forum I believe. This is the page that is linked to:
http://www.sweclockers.com/forum/8-ovriga-datorspel/891436-left-4-dead-2-problem/?postid=9659206#post9659206
It contains the following post regarding reg editing:
here's for 64 bit,
Windows Registry Editor Version 5.00
[HKEYCURRENTUSER\Software\Classes\Wow6432Node\CLSID{BCDE0395-E52F-467C-8E3D-C4579291692E}\InprocHandler]
[HKEYCURRENTUSER\Software\Classes\Wow6432Node\CLSID{BCDE0395-E52F-467C-8E3D-C4579291692E}\InprocHandler32]
[HKEYCURRENTUSER\Software\Classes\Wow6432Node\CLSID{5F63E8CB-8F57-490A-97FE-62BC2F2A5EA4}\InprocServer32]
[HKEYCURRENTUSER\Software\Classes\Wow6432Node\CLSID{BCDE0395-E52F-467C-8E3D-C4579291692E}\InprocServer32]
[HKEYCLASSESROOT\Wow6432Node\CLSID{66B6B493-6055-4572-8FC1-A0FA86D63545}]
[HKEYCURRENTUSER\Software\Classes\Wow6432Node\CLSID{66B6B493-6055-4572-8FC1-A0FA86D63545}]
[HKEYCURRENTUSER\Software\Classes\Wow6432Node\CLSID{F64A6DA6-E8AF-4B7B-BCA8-847AE765D538}]
[HKEYCLASSESROOT\Wow6432Node\CLSID{8D083C4F-F8B1-42ED-851B-51017CF4C161}]
[HKEYCURRENTUSER\Software\Classes\Wow6432Node\CLSID{8D083C4F-F8B1-42ED-851B-51017CF4C161}]
[HKEYCURRENTUSER\Software\Classes\Wow6432Node\CLSID{50D5107A-D278-4871-8989-F4CEAAF59CFC}]
[HKEYCURRENTUSER\Software\Classes\Wow6432Node\CLSID{BCDE0395-E52F-467C-8E3D-C4579291692E}]
I dont really understand what I am doing here! Could anyone more technically minded than me have a look at this and advise!