The only Device Manager item with a yellow question mark is this:
Virttual Disk Bus Enumerator
General Properties: Windows cannot load the device driver for the hardware. The driver may be corrupted or missing. (Code 39)
Driver Details: C:\Windows\system32\WdfCoInstaller01009.dll
Microsoft
1.9.7600.16385 (win7_rtm.090713-1255)
Device Description: Virtual Disk Bus Enumerator
Device Instance Path: ROOT\SYSTEM\0001
Hardware Ids: root\vdbus
Service: vdbus
Device Class: System
Device class guid: {4d36e97d-e325-11ce-bfc1-08002be10318}
Driver key: {4d36e97d-e325-11ce-bfc1-08002be10318}\0037
ConfigFlags: 00000000
Manufacturer: (Standard system devices)
Physical Device Object Name: \Device\0000004a
Capabilities: 00000000
Enumerator: ROOT
Security: 00 04 90 00 00 00 00 00 00 00 00 00 00 00 00 14 00 00 00
00 34 00 02 00 00 00 00 00 18 00 00 00 00 10 01 02 00 00
00 00 05 20 00 00 00 20 02 00 00 00 00 14 00 00 00 00 10
01 00 00 00 00 00 05 12 00 00 00
Security SDS: D:P(A;;GA;;;BA)(A;;GA;;;SY)
Characteristics: 00000100
FILE_DEVICE_SECURE_OPEN
Power data:
Current power state:
D3
Power capabilities:
00000009
PDCAP_D0_SUPPORTED
PDCAP_D3_SUPPORTED
Power state mappings:
S0 -> D0
S1 -> D3
S2 -> D3
S3 -> D3
S4 -> D3
S5 -> D3
Removal policy: 00000001
Removal policy default: 00000001
Install state: 00000000
Base Container Id: {00000000-0000-0000-ffff-ffffffffffff}
DevNode status: 01802401
DN_ROOT_ENUMERATED
DN_HAS_PROBLEM
DN_DISABLEABLE
DN_NT_ENUMERATOR
DN_NT_DRIVER
Problem code: 00000027 [Is this decimal or hex?]
Parent: HTREE\ROOT\0
Siblings: Root\*ISATAP\0000
Root\*TEREDO\0000
Root\ACPI_HAL\0000
Root\blbdrive\0000
Root\COMPOSITEBUS\0000
Root\COMPOSITE_BATTERY\0000
Root\LEGACY_AFD\0000
Root\LEGACY_BEEP\0000
Root\LEGACY_CBVD\0000
Root\LEGACY_CLFS\0000
Root\LEGACY_CNG\0000
Root\LEGACY_CPUZ135\0000
Root\LEGACY_CPUZ136\0000
Root\LEGACY_CSC\0000
Root\LEGACY_DISCACHE\0000
Root\LEGACY_DXGKRNL\0000
Root\LEGACY_EUBKMON\0000
Root\LEGACY_EUDSKACS\0000
Root\LEGACY_EUFDDISK\0000
Root\LEGACY_FVEVOL\0000
Root\LEGACY_HTTP\0000
Root\LEGACY_HWPOLICY\0000
Root\LEGACY_IASTORV\0000
Root\LEGACY_INTELIDE\0000
Root\LEGACY_KSECDD\0000
Root\LEGACY_KSECPKG\0000
Root\LEGACY_LLTDIO\0000
Root\LEGACY_MOUNTMGR\0000
Root\LEGACY_MPSDRV\0000
Root\LEGACY_MSISADRV\0000
Root\LEGACY_NDIS\0000
Root\LEGACY_NDPROXY\0000
Root\LEGACY_NETBT\0000
Root\LEGACY_NISDRV\0000
Root\LEGACY_NPF\0000
Root\LEGACY_NSIPROXY\0000
Root\LEGACY_NULL\0000
Root\LEGACY_PARVDM\0000
Root\LEGACY_PCW\0000
Root\LEGACY_PEAUTH\0000
Root\LEGACY_PSCHED\0000
Root\LEGACY_RDPCDD\0000
Root\LEGACY_RDPENCDD\0000
Root\LEGACY_RDPREFMP\0000
Root\LEGACY_RSPNDR\0000
Root\LEGACY_SECDRV\0000
Root\LEGACY_SMARTDEFRAGDRIVER\0000
Root\LEGACY_SPLDR\0000
Root\LEGACY_SSPORT\0000
Root\LEGACY_STORFLT\0000
Root\LEGACY_TCPIP\0000
Root\LEGACY_TCPIPREG\0000
Root\LEGACY_TDX\0000
Root\LEGACY_VGASAVE\0000
Root\LEGACY_VOLMGRX\0000
Root\LEGACY_VOLSNAP\0000
Root\LEGACY_WANARPV6\0000
Root\LEGACY_WDF01000\0000
Root\LEGACY_WFPLWF\0000
Root\LEGACY_WRKRN\0000
Root\mssmbios\0000
Root\MS_AGILEVPNMINIPORT\0000
Root\MS_L2TPMINIPORT\0000
Root\MS_NDISWANBH\0000
Root\MS_NDISWANIP\0000
Root\MS_NDISWANIPV6\0000
Root\MS_PPPOEMINIPORT\0000
Root\MS_PPTPMINIPORT\0000
Root\MS_SSTPMINIPORT\0000
Root\RDPBUS\0000
Root\RDP_KBD\0000
Root\RDP_MOU\0000
Root\SYSTEM\0000
Root\UMBUS\0000
Root\vdrvroot\0000
Root\volmgr\0000
Container Id: {00000000-0000-0000-ffff-ffffffffffff}
Safe Removal Required: <false>
Driver Node Stong Name: oem8.inf:Standard:VDBus_Device:6.1.7100.0:root\vdbus
Rollback Driver Node Strong Name: oem7.inf:Standard:VDBus_Device:6.1.7100.0:root\vdbus
Install Date: 5/23/2013 1:06:53 PM
First Install Date: 5/23/2013 12:08:47 PM
Driver assembly date: 3/29/2010 6:00:00 PM
Driver assembly version: 6.1.7100.0
Driver assembly description: Virtual Disk Bus Enumerator
lnf name: oem8.inf
lnf section: VDBus_Device
lnf section extension: NT
Matching device id: root\vdbus
Provider: Comodo Security Solutions
Device co-installers: WdfCoInstaller01009.dll,WdfCoInstaller
Rank of Installed Drivber: 00FF0000
Class long name: System devices
Class short name: System
Class icon path: %SystemRoot%\System32\setupapi.dll,-27
Display name: System devices
Class co-installers: SysClass.Dll,CriticalDeviceCoInstaller
http://www.tomshardware.co.uk/forum/209590-30-which-chipset-driver-version-have#
Error 500 - Ohoh Something is wrong ..
--US2-- It looks like something is broken in our systems...
Perhaps you can find what you are looking for by searching:
I do not see code 39 in the URL http://technet.microsoft.com/en-us/library/cc771355(v=ws.10).aspx
ApplicationLog.131221.evtx http://sdrv.ms/1bY4HjC
SysteLog.131221.evtx http://sdrv.ms/1fPVlIm
About the Comodo software - I installed Comodo Backup, and I was using
it to backup my disks. Then I had a BSOD that pointed to CBUFS.sys,
so I decided to switch to another backup software. I got no response
from my posting on the Comodo Forums. Because I might need to restore
a file that is on a Comodo backup file, I decided to rename most of
the Comodo driver files: cbufs.sys, cfrmd.sys, cbparse.sys, cbvd.sys,
vdbus.sys. I have not uninstalled Comodo Backup.
--Barry Finkel