explorer crashing on networking

  chippy+ 15:43 11 Apr 2004

i have 2 pcs connected to a nexIP 1S050s 4 port router
through a cable modem both pcs have ethernet cards no1 a 10/100 no2 a 10 (an older card)
my problem is i can get the internet on both
pcs and can send folders to both pcs but when
i try to open the folders on pc2 explorer crashes sets back up but some of the icons are missing on the system tray what is making it crash in the first place the no1 pc has the 10/100 card and dos'nt crash also do i have to have my two pcs on to share my second printer
thanks chippy

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