now all pcs are working but one system is not working........... the pc name was "pc5" i renamed it to "crewrose14"..................... now the old name of the system is not visible in workgroup but the new one is visible but when i click on the new name a error message appear it says "crewrose14 is not accessible, you might not have permission to use this network resource, contact the administartor of this server to find out if you have acess permissions. the problem is when the system name was not changed the system is accessible but after changing the name its showing this message so plzz tell me what to do and how to solve this problem......???