VirtualBox unable to run on Windows 7 64bit after install (even after reboot)

[jennadarling]

StackHash_83cf

Problem signature:
  Problem Event Name:	APPCRASH
  Application Name:	VirtualBox.exe
  Application Version:	4.1.0.0
  Application Timestamp:	4e2565bc
  Fault Module Name:	StackHash_83cf
  Fault Module Version:	6.1.7601.17514
  Fault Module Timestamp:	4ce7c8f9
  Exception Code:	c0000374
  Exception Offset:	00000000000c40f2
  OS Version:	6.1.7601.2.1.0.256.1
  Locale ID:	2057
  Additional Information 1:	83cf
  Additional Information 2:	83cffa8332ac9214f240894d1d73ee90
  Additional Information 3:	f1a5
  Additional Information 4:	f1a53a0cb8845181a82cdcba2857eb72

[jennadarling]

Log file

[Frank Mehnert]

Please try again with VBox 4.1.2. If still not fixed, please attach a VBox.log file for that VM (the VBoxSVC.log file is the wrong one!)

[JennaDarllling]

Virtual Box never works on Windows 7 64 bit.

Product is dead on install.

Problem signature:
  Problem Event Name:	APPCRASH
  Application Name:	VirtualBox.exe
  Application Version:	4.1.2.0
  Application Timestamp:	4e4911e5
  Fault Module Name:	StackHash_83cf
  Fault Module Version:	6.1.7601.17514
  Fault Module Timestamp:	4ce7c8f9
  Exception Code:	c0000374
  Exception Offset:	00000000000c40f2
  OS Version:	6.1.7601.2.1.0.256.1
  Locale ID:	2057
  Additional Information 1:	83cf
  Additional Information 2:	83cffa8332ac9214f240894d1d73ee90
  Additional Information 3:	8c18
  Additional Information 4:	8c18f8931d476fa161bae9a7b25104d1

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Windows search finds no such VBox.log file.

VirtualBox (XP)COM Server 4.1.2 r73507 win.amd64 (Aug 15 2011 14:29:50) release log
00:00:00.078 main     Log opened 2011-10-02T16:58:20.607194500Z
00:00:00.078 main     OS Product: Windows 7
00:00:00.078 main     OS Release: 6.1.7601
00:00:00.078 main     Executable: C:\Program Files\Oracle\VirtualBox\VBoxSVC.exe
00:00:00.078 main     Process ID: 2964
00:00:00.078 main     Package type: WINDOWS_64BITS_GENERIC
00:00:00.702          usbLibDevCfgDrGet: DeviceIoControl 1 fail winEr (31)
00:00:05.445          VDInit finished

[Frank Mehnert]

I've removed comments not relevant for this ticket. As you say that there is no VBox.log file I take it that you are even not able to start a VM which was not obviously from your initial description. Seems like a problem with the USB host driver. I assume that VirtualBox would work if you install it without USB support.