Cannot map My Cloud EX2 Ultra as network drive on Windows 10, but only on Windows 10, and only starting today

[m.r.f.0]

MyCloudEx2Ultra works fine on one PC, not on the other. I tried all!

MyCloudEx2Ultra works fine on one PC, not on the other. Both PC’s are Windows 10, 64 bit, both PC’s, can access the drive through browser, no problem. Problem is on One PC, I cannt access through Explorer, on the other, it works fine. My conclusion: Network and cabeling is OK! The MyCloudEx2Ultra, is setup correctly, I assume (One PC working 100%) The MyCloudEx2Ultra is on both PC’s, in Device Manager registred as Software Devices! Which Setting on the other PC, is the problem? NB!! I ev…