File sharing problem with Windows 7 and Ubuntu 9.10

File sharing problem with Windows 7 and Ubuntu 9.10

I fall in big trouble, I use before Ubuntu and win xp in different 2 desktops, they have no samba related problem. But this time I cannot access from ubuntu to windows 7 or reverse way both..Installed Samba,configure it, searchin web lot and drop some hair from my head...nothin is working...is there any particular solutions on this issue??...I need a descriptive reply on it if u can...my windows 7 is Home Premium edition.