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Resolving "Cannot load BTrez.dll- NW" errors

This article was been published more than a year ago. The information may be outdated.

I had a client call in the other day, telling me that her computer would freeze up and display error messages whenever she opened Windows Explorer. The error message said Cannot load BTrez.dll- NW. Checking BTrez.dll with ProcessLibrary, I found that the error referred to a problem with the drivers for Bluetooth.

To resolve the problem, I did the following:

  1. I opened Computer management, then turned to Device management
  2. I found Bluetooth devices, then right-clicked and selected Uninstall
  3. Once the uninstall was complete, I scanned for hardware changes

After the scan, the bluetooth module reinstalled, and worked correctly.

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