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Hello all,
Our device is using the Cypress ARM Cortex-M3 (CY8c5866LTI-LP022, PSoC5800). It stores data which is sent to the client using USB.
For this, we install the Cypress USB UART driver (https://www.cypress.com/documentation/software-and-drivers/microsoft-certified-usb-uart-driver ) on the PC.
All works splendid, however...
On some of the windows 10 computers, the driver disappears after an update.
The fix is simple: Right click the Unknown device -> update drivers -> automatically search for drivers -> done.
All is working again... however:
Why does this happen? and what can I do about it so it won't happen again / or is solved automatically/programatically.
Best regards,
JB
Solved! Go to Solution.
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Please try Microsoft's USB serial driver.
USB serial driver (Usbser.sys) - Windows drivers | Microsoft Docs
The INF file usbser.inf is located in the folder C:\Windows\INF on my Windows 10 PC.