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   Home P&E Customer Support FAQs - Frequently Asked Questions FAQ ID # 78
FAQ ID # 78
My USB Multilink stopped working. It was working just fine last time I used it, however now the software says the port is "undetected"! The Blue and orange LED are on... help!
There are multiple causes to this problem:

1. Make sure you have no other software open that is accessing the USB Multilink.

2. This issue may be caused by software conflict. Uninstall the progxxz software in Add or Remove Programs applet in Control Panel. Delete the C:pemicroprogxxz folder. Restart your computer and reinstall the software.

3. This issue may be caused by a driver conflict. This conflict occurs if the file [windows]system32peusbwd1.dll is version 7.0.0. This file should be version 6.2.2. PEmicro's lastest driver download (available below) will resolve this issue by restoring the proper version of the file -- simply install it and reboot. If you're still having issues, you should manually delete the file [windows]system32peusbwd1.dll, and reinstall the drivers.

If the problem persits, you should download/run the "driver test" utility below. Be sure to check the "generate output" checkbox, then open a support request and post the output driver_information.txt, which will reside in the same directory as the driver_test executable.

Related Downloads
P&E Hardware Interface Drivers, Version 12 (Win XP/Vista/7/8/10) - Version 12.7 Adds support for 64 bit P&E applications. Also it includes the atom fix which affects very select users. Installs PEmicro drivers to allow applications to communicate with PEmicro hardware. Please note that not all hardware may be supported for your OS. This does not include the application level support which comes with the different products. Administrator privilege is now required. Released 11/30/2017.

Architectures Categories Products
HCS08, HC(S)12(X), RS08, ColdFire V1 Interface Hardware/Cable, Debugger, Flash Programming Software, Unit Library SDK for Interface Hardware BDM MultilinkReplace, USB-ML-MON08, USB-ML-12, PKGCFZ, PKGPPCNEXUS, USB-ML-CF, USB-ML-PPCBDM, PKGCFZ_PRO, USB-ML-16/32, USB-ML-PPCNEXUS, DEMO9S08JM16
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