Greetings

1st thanks for checking this thread. I'm @ the end of my rope. Also I hate these types of topics..thanks again for checking

To start my system is

Dual Boot System
Intel i7-Bloomfeild @ 4.0ghz
Noctua CPU Cooler
Asus Sabretooth X58 Sli Motherboard
6gigs DDR3 Trichannel Memory
Asus 580GTX Vcard - Recently upgraded from 2 BFGs SLIed
NXTZ Phantom Case
100Gig HD (WinXPx32) / 100Gig HD (Win7x64)
1TB Games Install
1TB Internal Storage
1TB External Storage

0k that said New vegas was running great till yesterday. Tuesday I got my new Asus 580 vcard & installed it on the same day the new patch came out. Ran the game and everything was fine. It totally blasted my previous SLI setup away. No issues - slow downs or problems @ all. I exited the game & tried AVP in DX11 - ran some benchmarks just to try to sweat the new video card alittle and it came thru like a champ. So I turned the pc off and went to bed. Wednesday I sit down in front of the pc - start it up planning on playing some NV. Windows did a couple small windows updates while I was checking the nexus for some mods that may have been updated with the patch out. Finding nothing I load up the game and it crashed @ the loading screen. Ok so I start off by thinking that maybe there was a mod issue with the new patch & set about checking my mods to make sure the patch didn't cause a conflict - no issues there. Ok so then I think maybe the windows update may have did something..however I've only found basic windows updates...nothing major. So I try to run the game with no mods - same crash. Alright so thats weird. I did a reinstall. Totally vanilla game. Same crash.

Ok so then I test the card thinking I had gotten a dud. Everything else runs totally fine. No issues @ all. Even Oblivion - & Fallout 3 run silky smooth. So I think maybe my CPU overclock was causing a issue. Removed it and still am getting this crash.

So everything was running fine. The game gets patched on the same day I get my new video card - it runs smooth with no issues. I turn it off & now it refuses to load...even the default game with no mods or system changes besides the windows up & video card thats aok.....

Any ideas?

Oh and the error in windows event viewer is....

Faulting application name: FalloutNV.exe, version: 1.2.0.314, time stamp: 0x4cfdf842
Faulting module name: FalloutNV.exe, version: 1.2.0.314, time stamp: 0x4cfdf842
Exception code: 0xc0000005
Fault offset: 0x007523c9
Faulting process id: 0xfd8
Faulting application start time: 0x01cb9cc684295df5
Faulting application path: e:\steam\steamapps\common\fallout new vegas\FalloutNV.exe
Faulting module path: e:\steam\steamapps\common\fallout new vegas\FalloutNV.exe
Report Id: da44fe5f-08b9-11e0-ad42-20cf307f631d

Thanks for sorting thru this mess.

I have a very similar issue. The game crashes during the loading screen. The first image- one with lots of text- comes up fine, but the second one, the "Betheda Software company" one, causes the game to crash either immediately or the moment it tries to play its music file. Does that sound like your problem?

If it does, try my non-solution- when the first screen shows up, keep clicking on your left mouse button. It causes the game to skip the "Betheda Software company" screen and jump to the game menu. After that it should work fine.

Such a headache these crashes for no reason you can see. For me I get past that to where I can load a game or start a new one. During loading after the intro movies on a new game is where it crashes for me.

I have a similar problem, but it isn′t a video card bug.

I sent the following message for the Bethesda′s Support:

"After verifying the integrity of game cache in the local
archives, Steam signals that everything is ok.
However, if parameter "bInvalidateOlderFiles = 1" in ".INI" file, the game
crashes on startup.
Only just run with "bInvalidateOlderFiles = 0".
This only started after upgrading to patch 1.2.0.285" (and continues with 1.2.0.314 patch)



And they reply (but nothing worked and I still can′t replace the textures):

Initial Troubleshooting Steps

1. Exit and restart Steam

2. If the issue persists, exit Steam and rename the ClientRegistry.blob and restart Steam
This file is located in the directory: C:\Program Files\Steam (or whichever directory you specified during installation).
Completely exit from Steam, then rename this file to ClientRegistryOld.blob.
Restart Steam to allow this file to be recreated and test the issue you have seen.

3. If renaming the clientregistry.blob file does not resolve the issue, please exit Steam and delete everything under the Steam installation directory except Steam.exe, the ClientRegistryOld.blob, and the /SteamApps folder - this will force Steam to update when you log in.

4. If the issue persists, repair your game cache files.
From the My Games tab, right-click on the game and select Properties from the menu.
Select the Local files tab and click the Verify integrity of game cache... button.
Steam will verify the game cache files (GCF's) - this process may take several minutes.
Once the process is completed, the Check Window will automatically exit.

5. If this issue is only happening on a third party non-Valve game, please try launching the game's .exe directly from its installation folder: C:\Program Files\Steam\SteamApps\Common\. You may also try other .exe's such as Launcher.exe in the game folder to see if a different error message is found.

6. This error could also be caused by having certain Steam files set to Read Only. To resolve this:
Exit Steam.
Navigate to the directory where you installed Steam. (Typically C:\Program Files\ or C:\Program Files\Valve\.)
Right-click on the Steam folder.
Select Properties.
Check the Read-Only checkbox and press Apply.
Uncheck the Read-Only checkbox and press Apply.

7. Double-check your router configuration to make sure that it is properly configured for Steam. If bypassing the router by connecting directly to your Cable/DSL modem allows the game to work correctly, then please consult the Using a Router with Steam topic for more detailed instructions on configuring your router.
https://support.steampowered.com/kb_article.php?ref=6776-MYXU-0480


8. Disable all background applications, including Anti-Virus software and Firewalls.
For Windows XP
Click the Start button and select Run.
Type msconfig and click Ok.

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If your computer is in Normal Startup do the following:

Click the Selective Startup button.
Uncheck the Load Startup items (or Load Startup Group items) box.
Select the Services tab and check Hide all Microsoft services.
Click Disable all.
Click Apply and Close.
Restart the computer when prompted.
Once restarted, if the system configuration window appears, close the window. Select No to restarting if prompted.

--------------------------------------------------------------------------------

If your computer is set for Selective Startup do the following:

Click the Startup tab at the top.
Make a note of the items that have checkmarks next to them.
Select Disable all.
Go to the Services tab and check Hide all Microsoft services.
Make a note of the services that have checkmarks next to them.
Click Disable all.
Click Apply and Close.
Restart the computer when prompted.
Once restarted, if the system configuration window appears, close the window. Select No to restarting if prompted.

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If the program is working fine then it can be concluded that some of the background applications running in the system were causing the issue.

To identify the program that is conflicting with the program follow the steps given below:

A. Click Start, click Run, type msconfig and click Ok.
B. Click the Startup tab and click Enable all. If the computer was in Selective startup enable the items that correspond to the items noted earlier.
C. Click the Services tab, check the option Hide all Microsoft Services.
D. Click Enable all. If the computer was in Selective startup enable the items that correspond to the services noted earlier.
E. Uncheck one of the services from the list.
F. Click Apply, click Close and restart the computer when prompted.
G. Play the game and test the performance.


Conclusions
If the issue is resolved, the service disabled above (step E) is the cause of the issue. To play the game you must disable this software.
If the issue is still unresolved then uncheck a different service from the list and repeat steps A to G.

--------------------------------------------------------------------------------

If the issue is still not resolved check for Start up items which may be conflicting with the game.

A. Click Start, click Run, type msconfig and click Ok.
B. Click the Services tab and click Enable all. If the computer was in Selective startup enable the items that correspond to the services noted earlier.
C. Click the Startup tab and click on Enable All. If the computer was in Selective startup enable the items that correspond to the items noted earlier.
D. Uncheck one of the startup items from the list.
E. Click Apply, click Close and restart the computer.
Play the game and test the performance. If the issue doesn't occur, this confirms that the particular service running on the system is causing issue.
If the issue occurs, check the startup item unchecked in the previous attempt.
Uncheck another startup item and repeat the steps A to E.

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If the above steps do not help to resolve the issue, follow the steps given below to, revert the changes made in your System Configuration Utility (msconfig):

A. Click Start, click Run, type msconfig and click Ok.
B. Click the Startup tab and click Enable all. If the computer was in Selective startup enable the items that correspond to the services noted earlier.
C. Click the Services tab, check the option Hide all Microsoft Services.
D. Click Enable all or enable the items that correspond to the items noted earlier.
E. Click Apply, click Close.
F. Restart the computer when prompted.

For information about the Windows Firewall, please view the Using a Firewall with Steam topic.
https://support.steampowered.com/kb_article.php?ref=2198-AGHC-7226
Some Anti-virus software needs to be properly configured for Steam. Please see the Antivirus software reports Steam games are malicious topic.
https://support.steampowered.com/kb_article.php?ref=4361-MVDP-3638

Dang thats way too much. I actually just did a OS reinstall and now it's running perfectly with the new video card. It was the weirdest thing I"ve ever seen. 0ne second working - then no changes and it stopped. Thank you for the info. Hope you get yours up and running man. If I can help let me know.

Thanks!

I'll keep trying a solution ...