Before I repair XP and loose all the updates, Please have a look at my setupapi log:
It is edited and only related portions are copied here. Perhaps, some indication of the problem here.
[SetupAPI Log]
OS Version = 5.1.2600 Service Pack 2
Platform ID = 2 (NT)
Service Pack = 2.0
Suite = 0x0100
Product Type = 1
Architecture = x86
[2008/05/21 20:19:40 856.3 Driver Install]
#-019 Searching for hardware ID(s): pci\ven_127a&dev_1003&subsys_b0bc0e11&rev_01,pci\ven_127a&dev_1003&subsys_b0bc0e11,pci\ven_127a&dev_1003&cc_070000,pci\ven_127a&dev_1003&cc_0700
#-018 Searching for compatible ID(s): pci\ven_127a&dev_1003&rev_01,pci\ven_127a&dev_1003,pci\ven_127a&cc_070000,pci\ven_127a&cc_0700,pci\ven_127a,pci\cc_070000,pci\cc_0700
#-198 Command line processed: C:\WINDOWS\system32\services.exe
#I393 Modified INF cache "C:\WINDOWS\inf\INFCACHE.1".
#I022 Found "PCI\VEN_127A&DEV_1003" in C:\WINDOWS\inf\mdmrpci.inf; Device: "Generic 56K HCF Data Fax Modem"; Driver: "Generic 56K HCF Data Fax Modem"; Provider: "Microsoft"; Mfg: "Generic"; Section name: "Modem1003".
#I023 Actual install section: [Modem1003.NT]. Rank: 0x00002001. Effective driver date: 07/01/2001.
#I022 Found "PCI\VEN_127A&DEV_1003&SUBSYS_B0BC0E11" in C:\WINDOWS\inf\mdmrpciw.inf; Device: "Compaq Data Fax Modem"; Driver: "Compaq Data Fax Modem"; Provider: "Microsoft"; Mfg: "Compaq"; Section name: "Modem1003".
#I023 Actual install section: [Modem1003.NT]. Rank: 0x00000001. Effective driver date: 07/01/2001.
#-166 Device install function: DIF_SELECTBESTCOMPATDRV.
#I063 Selected driver installs from section [Modem1003] in "c:\windows\inf\mdmrpciw.inf".
#I320 Class GUID of device remains: {4D36E96D-E325-11CE-BFC1-08002BE10318}.
#I060 Set selected driver.
#I058 Selected best compatible driver.
#-166 Device install function: DIF_INSTALLDEVICEFILES.
#I124 Doing copy-only install of "PCI\VEN_127A&DEV_1003&SUBSYS_B0BC0E11&REV_01\3&13C0B0C5&0&50".
#-166 Device install function: DIF_REGISTER_COINSTALLERS.
#I056 Coinstallers registered.
#-166 Device install function: DIF_INSTALLINTERFACES.
#-011 Installing section [Modem1003.NT.Interfaces] from "c:\windows\inf\mdmrpciw.inf".
#I054 Interfaces installed.
#-166 Device install function: DIF_INSTALLDEVICE.
#I123 Doing full install of "PCI\VEN_127A&DEV_1003&SUBSYS_B0BC0E11&REV_01\3&13C0B0C5&0&50".
#-035 Processing service Add/Delete section [Modem1003.NT.Services].
#E262 Controlling Service: Failed to open service "Modem". Error 1060: The specified service does not exist as an installed service.
#E275 Error while installing services. Error 1060: The specified service does not exist as an installed service.
#E122 Device install failed. Error 1060: The specified service does not exist as an installed service.
#E154 Class installer failed. Error 1060:
The specified service does not exist as an installed service.[2008/05/23 10:13:21 3812.5]
#-198 Command line processed: "C:\WINDOWS\system32\RUNDLL32.EXE" devmgr.dll,DeviceProblenWizard_RunDLL /deviceid PCI\VEN_11D4&DEV_1805&SUBSYS_180511D4&REV_00\3&13C0B0C5&0&50
#I060 Set selected driver.
#-019 Searching for hardware ID(s): pci\ven_11d4&dev_1805&subsys_180511d4&rev_00,pci\ven_11d4&dev_1805&subsys_180511d4,pci\ven_11d4&dev_1805&cc_078000,pci\ven_11d4&dev_1805&cc_0780
#-018 Searching for compatible ID(s): pci\ven_11d4&dev_1805&rev_00,pci\ven_11d4&dev_1805,pci\ven_11d4&cc_078000,pci\ven_11d4&cc_0780,pci\ven_11d4,pci\cc_078000,pci\cc_0780
#I022 Found "PCI\VEN_11D4&DEV_1805&SUBSYS_180511D4&REV_00" in C:\WINDOWS\inf\oem4.inf; Device: "Motorola SM56 PCI Fax Modem"; Driver: "Motorola SM56 PCI Fax Modem"; Provider: "Motorola Inc"; Mfg: "Motorola Inc"; Section name: "Modem14".
#I087 Driver node not trusted, rank changed from 0x00000000 to 0x00008000.
#I023 Actual install section: [Modem14.NT]. Rank: 0x00008000. Effective driver date: 11/05/1999.
#I022 Found "PCI\VEN_11D4&DEV_1805" in C:\WINDOWS\inf\oem4.inf; Device: "Motorola SM56 PCI Fax Modem"; Driver: "Motorola SM56 PCI Fax Modem"; Provider: "Motorola Inc"; Mfg: "Motorola Inc"; Section name: "Modem14".
#I087 Driver node not trusted, rank changed from 0x00002001 to 0x0000a001.
#I023 Actual install section: [Modem14.NT]. Rank: 0x0000a001. Effective driver date: 11/05/1999.
#I022 Found "PCI\VEN_11D4&DEV_1805&SUBSYS_180511D4&REV_00" in C:\WINDOWS\inf\oem14.inf; Device: "Motorola SM56 Data Fax Modem"; Driver: "Motorola SM56 Data Fax Modem"; Provider: "Motorola Inc"; Mfg: "Motorola Inc"; Section name: "SM56_PCII_INSTALL".
#I087 Driver node not trusted, rank changed from 0x00000000 to 0x00008000.
#I023 Actual install section: [SM56_PCII_INSTALL.NT]. Rank: 0x00008000. Effective driver date: 06/19/2000.
#I022 Found "PCI\VEN_11D4&DEV_1805&SUBSYS_180511D4&REV_00" in C:\WINDOWS\inf\oem18.inf; Device: "Motorola SM56 Speakerphone Modem"; Driver: "Motorola SM56 Speakerphone Modem"; Provider: "Motorola Inc"; Mfg: "Motorola Inc"; Section name: "SM56_PCII_INSTALL".
#I023 Actual install section: [SM56_PCII_INSTALL.NT]. Rank: 0x00000000. Effective driver date: 06/19/2003.
#-019 Searching for hardware ID(s): pci\ven_11d4&dev_1805&subsys_180511d4&rev_00,pci\ven_11d4&dev_1805&subsys_180511d4,pci\ven_11d4&dev_1805&cc_078000,pci\ven_11d4&dev_1805&cc_0780
#-018 Searching for compatible ID(s): pci\ven_11d4&dev_1805&rev_00,pci\ven_11d4&dev_1805,pci\ven_11d4&cc_078000,pci\ven_11d4&cc_0780,pci\ven_11d4,pci\cc_078000,pci\cc_0780
#I022 Found "PCI\VEN_11D4&DEV_1805&SUBSYS_180511D4&REV_00" in e:\downloads\sm56\sm56 speaker phone modem\smserial.inf; Device: "Motorola SM56 Speakerphone Modem"; Driver: "Motorola SM56 Speakerphone Modem"; Provider: "Motorola Inc"; Mfg: "Motorola Inc"; Section name: "SM56_PCII_INSTALL".
#I023 Actual install section: [SM56_PCII_INSTALL.NT]. Rank: 0x00000000. Effective driver date: 06/19/2003.
#-166 Device install function: DIF_SELECTBESTCOMPATDRV.
#I063 Selected driver installs from section [SM56_PCII_INSTALL] in "c:\windows\inf\oem18.inf".
#I320 Class GUID of device remains: {4D36E96D-E325-11CE-BFC1-08002BE10318}.
#I060 Set selected driver.
#I058 Selected best compatible driver.
#-124 Doing copy-only install of "PCI\VEN_11D4&DEV_1805&SUBSYS_180511D4&REV_00\3&13C0B0C5&0&50".
#-166 Device install function: DIF_REGISTER_COINSTALLERS.
#I056 Coinstallers registered.
#-166 Device install function: DIF_INSTALLINTERFACES.
#-011 Installing section [SM56_PCII_INSTALL.NT.Interfaces] from "c:\windows\inf\oem18.inf".
#I054 Interfaces installed.
#-166 Device install function: DIF_INSTALLDEVICE.
#I123 Doing full install of "PCI\VEN_11D4&DEV_1805&SUBSYS_180511D4&REV_00\3&13C0B0C5&0&50".
#-035 Processing service Add/Delete section [SM56_PCII_INSTALL.NT.Services].
#E262 Controlling Service: Failed to open service "Modem". Error 1060: The specified service does not exist as an installed service.
#E275 Error while installing services. Error 1060: The specified service does not exist as an installed service.
#E122 Device install failed. Error 1060: The specified service does not exist as an installed service.
#E154 Class installer failed. Error 1060:
The specified service does not exist as an installed service.#W422 Coinstaller 3 (Post Processing) modified status. No Error.
jawanda56