Which pc is master browser windows doesn't look for PCs on the network it asks the master browser if a pc is turned off it can take 20 mins for it to be found

Have you shared d as by default all drives are shared with a $ so double share is confusing

Try mapping a drive and passing admins user and password on the PC your connecting to
Replace tower with pc IP movies with share name htg with admin a crazyfourhorsenen with admin password
net use s: \\tower\movies /user:HTG CrazyFourHorseMen