I have a network with the following: 1 ADC 1 Exchange server 1 File server, all was working fine for months, now my file server keeps stopping the Computer Browser service and logging no errors. i can restart it no problem but the users loose conncection to the shared drives, they sometimes have to log in again to be remapped. i have checked every where for help. i ran spyware, adware,and hijack programs and clean the server. ran Symantec virus scan also. no virus. customer is getting a little crazy and so am i. Any help????