Hi there, My machine got corrupted with virus and i ended up deleting the windows account from the machine. Now when i try to connect to sql server 2008 using the new account its not working (Obviously) I have two sql server installations, one is sql server express edition and another is sql server enterprise edition named instance. Express edition is working fine with no issues. But enterprise edition, when i try to log on to server from command prompt using below command, it just gives an application error pop up with Red X and no message in there. Crogram FilesMicrosoft SQL ServerMSSQL10.MSSQLSERVER08MSSQLBinn>sqlservr.exe -m Can someone guide in right direction? Thanks alot in advance!