Windows does not properly load the USB driver and you cannot update it to work correctly.

Cause

Possible corruption in the USB files or registry entries.

Solution

Close your Laplink product, unplug the USB cable, and check Add/Remove Programs for a Laplink USB Network entry. If it is present, uninstall it. Otherwise, simply continue with these steps:

Delete any of the following files you find. They may not all be present.
C:\WINDOWS\SYSTEM32\DRIVERS\LLUSBFLT.SYS
C:\WINDOWS\SYSTEM32\DRIVERS\NcBulk.SYS
C:\WINDOWS\SYSTEM32\DRIVERS\NcGen.SYS
C:\WINDOWS\SYSTEM32\DRIVERS\tsincusb.SYS
C:\WINDOWS\SYSTEM32\DRIVERS\USBBC2.SYS
C:\WINDOWS\SYSTEM32\DRIVERS\WINUSB.SYS
NOTE: For Windows 2000 and upgrade versions of Windows XP, they may be found in C:\WinNT… instead of C:\WINDOWS…

To clean your Windows registry:

Note: Before making the following changes, make a backup of your registry. See Technical Document 111: How do I Backup and Restore the Windows Registry for more information. Alternatively for Windows XP/Vista users, see Technical Document 670: How to Create a Windows XP Restore Point .

For manual removal instructions, Click here .

Note: The automatic script below will attempt to remove all registry keys used by the Laplink USB cable drivers. This process may not report errors if a key cannot be deleted. If this process does not resolve the issue, you will need to follow the directions in the MANUAL REMOVAL OF REGISTRY KEYS .

AUTOMATIC REMOVAL OF REGISTRY KEYS

1. Click on the link below that matches the Windows version of the host computer:
   For computers running Windows 98, Windows ME, or Windows NT , Click here .
   For computers running Windows 2000, Windows XP, Windows 2003, or Windows Vista , Click here .
2. Select Run or Open when prompted
3. Click Yes to import the information into the registry
4. Click Ok to the message that it has completed the import.
5. Restart the computer
6. Plug the USB cable back in.
   - You should get the Found new hardware wizard. Click Next until it finishes.
   - If it is unable to find a driver, then you will need to start this article over again, deleting the files again (if present) and using the MANUAL REMOVAL OF REGISTRY KEYS option to verify all the keys have been properly deleted.

MANUAL REMOVAL OF REGISTRY KEYS

Note: Before making the following changes, make a backup of your registry. See Technical Document 111: How do I Backup and Restore the Windows Registry for more information. Alternatively for Windows XP/Vista users, see Technical Document 670: How to Create a Windows XP Restore Point .

NOTE: If you receive an error attempting to delete any of the registry keys in this article, see Technical Document 1055: Error deleting key

1. From the Window Start menu, click Run , type REGEDIT and click OK .
2. In the left pane, click on the plus sign (+) next to HKEY_LOCAL_MACHINE .
3. Click on the plus sign (+) next to SYSTEM .
4. Click on the plus sign (+) next to ControlSet001 .
5. Click on the plus sign (+) next to Control .
6. Click on the plus sign (+) next to Class .
7. If present, click on {BC103702-DD72-406f-9B28-95C868337B59} , press the Delete Key on your keyboard, and then click on Yes to confirm deleting that key.
8. If present, click on {5783FA00-010C-11D5-BE1A-000398237A08} , press the Delete Key on your keyboard, and then click on Yes to confirm deleting that key.
9. Click on the minus sign (-) next to Class .
10. Click on the plus sign (+) next to DeviceClasses .
11. If present, click on {1eb7cb03-60a9-4d28-934f-4abeeebd0019} , press the Delete Key on your keyboard, and then click on Yes to confirm deleting that key.
12. Click on the minus sign (-) next to DeviceClasses .
13. Click on the minus sign (-) next to Control .
14. Click on the plus sign (+) next to Enum .
15. Click on the plus sign (+) next to USB .
16. If present, delete any of the following entries by clicking on them so they are highlighted, pressing the Delete Key on your keyboard, and then clicking on Yes to confirm deleting that key.
    Vid_050D&Pid_258A
    Vid_050D&Pid_258B
    Vid_050D&Pid_258C
    Vid_050D&Pid_258D
    Vid_0576&Pid_1254
    Vid_0576&Pid_2795
    Vid_0576&Pid_9828
    Vid_067b&Pid_0000
    Vid_067b&Pid_2501
    Vid_067B&Pid_25A1
    Vid_067B&Pid_25B1
    Vid_067B&Pid_25C1
    Vid_067B&Pid_25D1
    Vid_067B&Pid_25E1
    Vid_067B&Pid_25F1
    Vid_067B&Pid_25A2
    Vid_067B&Pid_25B2
    Vid_067B&Pid_25C2
    Vid_067B&Pid_25D2
    Vid_067B&Pid_25E2
    Vid_067B&Pid_25F2
    Vid_06d0&Pid_0622
    Vid_06d1&Pid_0623
    Vid_1367&Pid_00E0
    Vid_3495&Pid_00E0
17. Click on the minus sign (-) next to USB .
18. Click on the minus sign (-) next to Enum .
19. Repeat steps 4 thru 18 for each entry of ControlSet002 , ControlSet003 , etc ; and for CurrentControlSet .
20. Reboot the computer.
21. Plug the USB cable back in.
    - You should get the Found new hardware wizard. Click Next until it finishes.
    - If it is unable to find a driver, then you will need to manually update the driver. See the following web document for more information on this issue: Technical Document 1058: USB cable troubleshooting for Gold & Silver USB cables on all Laplink products .

If the above steps have still not resolved the problem, you will need to contact Laplink Technical Support for additional assistance. You can find information to contact Technical Support from the following page: http://www.laplink.com/support/

Product: Cables
KB: 1054  Last updated: Jun 29, 2007
Keywords: Configuration: Cable drivers  Cable: USB (original)  Cable: USB Network (gold)  Connections: Cable  Cable: USB Network 
Platforms:

• WinVista
• WinXP
• WinMe
• Win98/SE
• Win2K

Wildcards (internal use):

• Configuration
• Cable drivers