hello again. Well i fixed my problem. It was very easy one. I'm new in mac OS so that why i couldn't find it from beginning :p
I entered system preference in network and there was choosen some other workgroup which isn't mine. so i just changed it back and its woks for now :))) thanx all.
Hello. I have same problem :( but sometimes mac can see the windows shared folders and sometimes it says that its disconected... but windows always see the macs shared folder. I disabled Firewall antivirus so what else???