PEAK-System Forum

Hi Michael
Thank you for your help. We do have USB restrictions at work so this was almost certainly the issue.
I upgraded the device successfully at home rather than attempting to work with our IT dept.

Thanks Martin. Unfortunately that still fails. The error sequence is slightly different. It now says:
10:15:12 Beginning flash: PCAN-USB is flashed with the embedded firmware (8.7.0)
10:15:12 Searching for hardware in flash mode..
10:15:17 Error: An error occurred while writing the new firmware ...

While updating my PEAK drivers and utilities to the latest versions while sorting out another issue I found I've found a problem with upgrading my PCAN-USB from 8.6.1 to 8.7.0 using PEAK-Flash 3 version 07/2025.
The Utility correctly identifies the PCAN-USB device and determines that it can be ...