Jrgen Kirkovits discovered that using an umlauted character in an SMB user name gave him a "wrong password" error in Snow Leopard. Removing the character fixed it: I had a problem with connection to shared directories from my Snow Leopard MacBook to a Windows 7 PC as well. I recently re-installed my HTPC ("updated" from Win 7 RC to final), but chose a different username (Jrgen