OK, I've double checked my symptoms. Everything is good right up until hitting the "start flight" tile. I then get a constant HD read light and the screen freezes for about 15 seconds (longer than I had originally thought). I then get a quick flash of the cockpit followed immediately by "Host Connection Lost". This problem is recent (within the last month or two) and has gotten to the point that it happens on virtually every first attempted launch during each session. I've made no significant changes to my PC although I have the normal (numerous) MS security updates over the past couple of months. First part of DXDIAG is below (full DXDIAG emailed):
------------------
System Information
------------------
Time of this report: 10/11/2010, 10:13:44
Machine name: MACE-PC
Operating System: Windows 7 Ultimate 64-bit (6.1, Build 7600) (7600.win7_gdr.100618-1621)
Language: English (Regional Setting: English)
System Manufacturer: EVGA__
System Model: 132-YW-E179-FTW
BIOS: Phoenix - AwardBIOS v6.00PG
Processor: Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz (2 CPUs), ~4.3GHz
Memory: 4096MB RAM
Available OS Memory: 4094MB RAM
Page File: 2278MB used, 5908MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7600.16385 64bit Unicode
------------
DxDiag Notes
------------
Display Tab 1: No problems found.
Display Tab 2: No problems found.
Sound Tab 1: No problems found.
Sound Tab 2: No problems found.
Sound Tab 3: No problems found.
Sound Tab 4: No problems found.
Input Tab: No problems found.
--------------------
DirectX Debug Levels
--------------------
Direct3D: 0/4 (retail)
DirectDraw: 0/4 (retail)
DirectInput: 0/5 (retail)
DirectMusic: 0/5 (retail)
DirectPlay: 0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow: 0/6 (retail)
---------------
Display Devices
---------------
Card name: NVIDIA GeForce GTX 260
Manufacturer: NVIDIA
Chip type: GeForce GTX 260
DAC type: Integrated RAMDAC
Device Key: Enum\PCI\VEN_10DE&DEV_05E2&SUBSYS_12583842&REV_A1
Display Memory: 2668 MB
Dedicated Memory: 877 MB
Shared Memory: 1791 MB
Current Mode: 1920 x 1200 (32 bit) (59Hz)
Monitor Name: SyncMaster T260HD(Digital)
Monitor Model: SyncMaster
Monitor Id: SAM03F4
Native Mode: 1920 x 1200(p) (59.950Hz)
Output Type: DVI
Driver Name: nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um
Driver File Version: 8.17.0011.9713 (English)
Driver Version: 8.17.11.9713
DDI Version: 10
Driver Model: WDDM 1.1
Driver Attributes: Final Retail
Driver Date/Size: 3/16/2010 02:51:59, 11906152 bytes
WHQL Logo'd: n/a
WHQL Date Stamp: n/a
Device Identifier: {D7B71E3E-46A2-11CF-037E-53321FC2C535}
Vendor ID: 0x10DE
Device ID: 0x05E2
SubSys ID: 0x12583842
Revision ID: 0x00A1
Driver Strong Name: oem27.inf:NVIDIA_SetA_Devices.NTamd64.6 .1:Section003:8.17.11.9713:pci\ven_10de&dev_05e2
Rank Of Driver: 00E62001
Video Accel: ModeMPEG2_A ModeMPEG2_C ModeVC1_C ModeWMV9_C
D3D9 Overlay: Supported
DXVA-HD: Supported
DDraw Status: Enabled
D3D Status: Enabled
AGP Status: Enabled
Card name: NVIDIA GeForce GTX 260
Manufacturer: NVIDIA
Chip type: GeForce GTX 260
DAC type: Integrated RAMDAC
Device Key: Enum\PCI\VEN_10DE&DEV_05E2&SUBSYS_12583842&REV_A1
Display Memory: 2668 MB
Dedicated Memory: 877 MB
Shared Memory: 1791 MB
Current Mode: 1680 x 1050 (32 bit) (60Hz)
Monitor Name: SyncMaster 226BW(Digital)
Monitor Model: SyncMaster
Monitor Id: SAM027F
Native Mode: 1680 x 1050(p) (59.883Hz)
Output Type: DVI
Driver Name: nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um
Driver File Version: 8.17.0011.9713 (English)
Driver Version: 8.17.11.9713
DDI Version: 10
Driver Model: WDDM 1.1
Driver Attributes: Final Retail
Driver Date/Size: 3/16/2010 02:51:59, 11906152 bytes
WHQL Logo'd: n/a
WHQL Date Stamp: n/a
Device Identifier: {D7B71E3E-46A2-11CF-037E-53321FC2C535}
Vendor ID: 0x10DE
Device ID: 0x05E2
SubSys ID: 0x12583842
Revision ID: 0x00A1
Driver Strong Name: oem27.inf:NVIDIA_SetA_Devices.NTamd64.6 .1:Section003:8.17.11.9713:pci\ven_10de&dev_05e2
Rank Of Driver: 00E62001
D3D9 Overlay: Supported
DXVA-HD: Supported
DDraw Status: Enabled
D3D Status: Enabled
AGP Status: Enabled
-------------
Sound Devices
-------------
Description: Headset (Logitech USB Headset)
Default Sound Playback: Yes
Default Voice Playback: Yes
Hardware ID: USB\VID_046D&PID_0A0C&REV_1013&MI_00
Manufacturer ID: 65535
Product ID: 65535
Type: WDM
Driver Name: USBAUDIO.sys
Driver Version: 6.01.7600.16385 (English)
Driver Attributes: Final Retail
WHQL Logo'd: n/a
Date and Size: 7/13/2009 20:06:32, 109568 bytes
Other Files:
Driver Provider: Microsoft
HW Accel Level: Basic
Cap Flags: 0x0
Min/Max Sample Rate: 0, 0
Static/Strm HW Mix Bufs: 0, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
Description: Speakers (Realtek High Definition Audio)
Default Sound Playback: No
Default Voice Playback: No
Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10DE0175&REV_1001
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: RTKVHD64.sys
Driver Version: 6.00.0001.5936 (English)
Driver Attributes: Final Retail
WHQL Logo'd: n/a
Date and Size: 9/11/2009 21:45:18, 2001056 bytes
Other Files:
Driver Provider: Realtek Semiconductor Corp.
HW Accel Level: Basic
Cap Flags: 0x0
Min/Max Sample Rate: 0, 0
Static/Strm HW Mix Bufs: 0, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
Description: Realtek Digital Output (Realtek High Definition Audio)
Default Sound Playback: No
Default Voice Playback: No
Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10DE0175&REV_1001
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: RTKVHD64.sys
Driver Version: 6.00.0001.5936 (English)
Driver Attributes: Final Retail
WHQL Logo'd: n/a
Date and Size: 9/11/2009 21:45:18, 2001056 bytes
Other Files:
Driver Provider: Realtek Semiconductor Corp.
HW Accel Level: Basic
Cap Flags: 0x0
Min/Max Sample Rate: 0, 0
Static/Strm HW Mix Bufs: 0, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
Description: Realtek HDMI Output (Realtek High Definition Audio)
Default Sound Playback: No
Default Voice Playback: No
Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10DE0175&REV_1001
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: RTKVHD64.sys
Driver Version: 6.00.0001.5936 (English)
Driver Attributes: Final Retail
WHQL Logo'd: n/a
Date and Size: 9/11/2009 21:45:18, 2001056 bytes
Other Files:
Driver Provider: Realtek Semiconductor Corp.
HW Accel Level: Basic
Cap Flags: 0x0
Min/Max Sample Rate: 0, 0
Static/Strm HW Mix Bufs: 0, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No
---------------------
Sound Capture Devices
---------------------
Description: Microphone (Logitech USB Headset)
Default Sound Capture: Yes
Default Voice Capture: Yes
Driver Name: USBAUDIO.sys
Driver Version: 6.01.7600.16385 (English)
Driver Attributes: Final Retail
Date and Size: 7/13/2009 20:06:32, 109568 bytes
Cap Flags: 0x0
Format Flags: 0x0
Description: Realtek Digital Input (Realtek High Definition Audio)
Default Sound Capture: No
Default Voice Capture: No
Driver Name: RTKVHD64.sys
Driver Version: 6.00.0001.5936 (English)
Driver Attributes: Final Retail
Date and Size: 9/11/2009 21:45:18, 2001056 bytes
Cap Flags: 0x0
Format Flags: 0x0