eTrex will no longer connect to laptop running Windows 10

Hi. I have just encountered a situation where my eTrex touch 35 is not being detected by my windows 10 laptop. The eTrex has been working with this laptop for several months/years without any problem. Up until now, when the eTrex was connected via USB to the PC Windows would detect the device and launch windows explorer etc - but as of yesterday nothing. I launched Garmin Express and attached the eTrex and Express cannot find the device.

I have another laptop running windows 11 - I attached the eTrex and it is detected and it connects to Express ok. I also have a ZumoXT that I normally use with the PC running WIndows 11, so I attached the Zumo to the PC running Windows10 using an USB and it's fine.

The only combination that does not work is the eTrex and the PC running Windows 10 that has worked for several month/years without fail. On the Windows 10 PC I have checked all drivers are up to date and uninstalled/reinstallled Basecamp (just in case)

Anyone got any ideas as to where the problem is?