here is the error log
2013-06-20 17:33:47.470ServerMicrosoft SQL Server 2008 R2 (SP1) - 10.50.2796.0 (X64) Dec 9 2011 11:27:20 Copyright (c) Microsoft Corporation Enterprise Edition (64-bit) on Windows NT 6.1 <X64> (Build 7601: Service Pack 1)
2013-06-20 17:33:47.470Server(c) Microsoft Corporation.
2013-06-20 17:33:47.470ServerAll rights reserved.
2013-06-20 17:33:47.470ServerServer process ID is 3220.
2013-06-20 17:33:47.470ServerSystem Manufacturer: 'Dell Inc.', System Model: 'OptiPlex 330'.
2013-06-20 17:33:47.470ServerAuthentication mode is MIXED.
2013-06-20 17:33:47.490ServerLogging SQL Server messages in file 'C:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\Log\ERRORLOG'.
2013-06-20 17:33:47.500ServerThis instance of SQL Server last reported using a process ID of 1140 at 6/20/2013 5:32:05 PM (local) 6/20/2013 12:02:05 PM (UTC). This is an informational message only; no user action is required.
2013-06-20 17:33:47.500ServerRegistry startup parameters: -d C:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\DATA\master.mdf -e C:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\Log\ERRORLOG -l C:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\DATA\mastlog.ldf
2013-06-20 17:33:47.540ServerSQL Server is starting at normal priority base (=7). This is an informational message only. No user action is required.
2013-06-20 17:33:47.540ServerDetected 2 CPUs. This is an informational message; no user action is required.
2013-06-20 17:33:47.630ServerUsing locked pages for buffer pool.
2013-06-20 17:33:47.850ServerUsing dynamic lock allocation. Initial allocation of 2500 Lock blocks and 5000 Lock Owner blocks per node. This is an informational message only. No user action is required.
2013-06-20 17:33:48.310ServerNode configuration: node 0: CPU mask: 0x0000000000000003:0 Active CPU mask: 0x0000000000000003:0. This message provides a description of the NUMA configuration for this computer. This is an informational message only. No user action is required.
2013-06-20 17:33:48.430spid7sStarting up database 'master'.
2013-06-20 17:33:48.690spid7sRecovery is writing a checkpoint in database 'master' (1). This is an informational message only. No user action is required.
2013-06-20 17:33:49.040spid7sResource governor reconfiguration succeeded.
2013-06-20 17:33:49.060spid7sSQL Server Audit is starting the audits. This is an informational message. No user action is required.
2013-06-20 17:33:49.060spid7sSQL Server Audit has started the audits. This is an informational message. No user action is required.
2013-06-20 17:33:49.080spid7sFILESTREAM: effective level = 0, configured level = 0, file system access share name = 'MSSQLSERVER'.
2013-06-20 17:33:49.210spid7sSQL Trace ID 1 was started by login "sa".
2013-06-20 17:33:49.230spid7sStarting up database 'mssqlsystemresource'.
2013-06-20 17:33:49.250spid7sThe resource database build version is 10.50.2796. This is an informational message only. No user action is required.
2013-06-20 17:33:49.550spid10sStarting up database 'model'.
2013-06-20 17:33:49.610spid7sServer name is 'QBSNEWSVR'. This is an informational message only. No user action is required.
2013-06-20 17:33:50.290spid10sClearing tempdb database.
2013-06-20 17:33:50.850ServerThe certificate [Cert Hash(sha1) "1667465C3D9F7AA06A8E4A71C829C12C8D495B3B"] was successfully loaded for encryption.
2013-06-20 17:33:51.020ServerServer is listening on [ 'any' <ipv6> 1433].
2013-06-20 17:33:51.030ServerServer is listening on [ 'any' <ipv4> 1433].
2013-06-20 17:33:51.030ServerServer local connection provider is ready to accept connection on [ \\.\pipe\SQLLocal\MSSQLSERVER ].
2013-06-20 17:33:51.030ServerServer local connection provider is ready to accept connection on [ \\.\pipe\sql\query ].
2013-06-20 17:33:51.030ServerServer is listening on [ ::1 <ipv6> 1434].
2013-06-20 17:33:51.030ServerServer is listening on [ 127.0.0.1 <ipv4> 1434].
2013-06-20 17:33:51.030ServerDedicated admin connection support was established for listening locally on port 1434.
2013-06-20 17:33:51.200LogonError: 17187, Severity: 16, State: 1.
2013-06-20 17:33:51.200LogonSQL Server is not ready to accept new client connections. Wait a few minutes before trying again. If you have access to the error log, look for the informational message that indicates that SQL Server is ready before trying to connect again. [CLIENT: 192.168.1.163]
2013-06-20 17:33:51.230LogonError: 17187, Severity: 16, State: 1.
2013-06-20 17:33:51.230LogonSQL Server is not ready to accept new client connections. Wait a few minutes before trying again. If you have access to the error log, look for the informational message that indicates that SQL Server is ready before trying to connect again. [CLIENT: ::1]
2013-06-20 17:33:51.230LogonError: 17187, Severity: 16, State: 1.
2013-06-20 17:33:51.230LogonSQL Server is not ready to accept new client connections. Wait a few minutes before trying again. If you have access to the error log, look for the informational message that indicates that SQL Server is ready before trying to connect again. [CLIENT: 192.168.1.163]
2013-06-20 17:33:51.270ServerThe SQL Server Network Interface library successfully registered the Service Principal Name (SPN) [ MSSQLSvc/qbsnewsvr.QBSTRUST.COM ] for the SQL Server service.
2013-06-20 17:33:51.270ServerThe SQL Server Network Interface library successfully registered the Service Principal Name (SPN) [ MSSQLSvc/qbsnewsvr.QBSTRUST.COM:1433 ] for the SQL Server service.
2013-06-20 17:33:51.270ServerSQL Server is now ready for client connections. This is an informational message; no user action is required.
2013-06-20 17:33:52.630spid13sA new instance of the full-text filter daemon host process has been successfully started.
2013-06-20 17:33:52.770spid10sStarting up database 'tempdb'.
2013-06-20 17:33:52.980spid13sStarting up database 'msdb'.
2013-06-20 17:33:52.980spid14sStarting up database 'IncuityStore'.
2013-06-20 17:33:52.980spid15sStarting up database 'IncuitySample'.
2013-06-20 17:33:52.990spid16sStarting up database 'IncuityHistory'.
2013-06-20 17:33:53.010spid17sStarting up database 'IncuityDiagnostics'.
2013-06-20 17:33:53.010spid18sStarting up database 'Tfs_Configuration_Old'.
2013-06-20 17:33:53.010spid19sStarting up database 'Tfs_Rockwell IPE Tool'.
2013-06-20 17:33:53.010spid20sStarting up database 'Tfs_Rockwell IPE Tool Phase0'.
2013-06-20 17:33:53.710spid21sThe Service Broker protocol transport is disabled or not configured.
2013-06-20 17:33:53.710spid21sServer is listening on [ 'any' <ipv6> 5022].
2013-06-20 17:33:53.710spid21sServer is listening on [ 'any' <ipv4> 5022].
2013-06-20 17:33:53.710spid21sThe Database Mirroring protocol transport is now listening for connections.
2013-06-20 17:33:54.560spid21sService Broker manager has started.
2013-06-20 17:33:57.610spid16sStarting up database 'Tfs_Rockwell IPE Tool Phase2'.
2013-06-20 17:33:57.970LogonError: 18456, Severity: 14, State: 38.
2013-06-20 17:33:57.970LogonLogin failed for user 'NT AUTHORITY\NETWORK SERVICE'. Reason: Failed to open the explicitly specified database. [CLIENT: <local machine>]
2013-06-20 17:33:57.970LogonError: 18456, Severity: 14, State: 38.
2013-06-20 17:33:57.970LogonLogin failed for user 'NT AUTHORITY\NETWORK SERVICE'. Reason: Failed to open the explicitly specified database. [CLIENT: <local machine>]
2013-06-20 17:33:57.970spid17sStarting up database 'IPE_MASTER'.
2013-06-20 17:33:57.970spid15sStarting up database 'IPE_QUOTE'.
2013-06-20 17:34:00.530spid7sRecovery completed for database IPE_QUOTE (database ID 14) in 1 second(s) (analysis 322 ms, redo 0 ms, undo 319 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:01.680spid7sRecovery completed for database Tfs_Rockwell IPE Tool (database ID 10) in 1 second(s) (analysis 329 ms, redo 0 ms, undo 322 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:02.620spid15sRecovery completed for database Tfs_Configuration_Old (database ID 9) in 1 second(s) (analysis 329 ms, redo 0 ms, undo 248 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:02.630spid15sStarting up database 'IPE_QUOTE_OCT_17'.
2013-06-20 17:34:03.350spid7sRecovery completed for database IncuityStore (database ID 5) in 1 second(s) (analysis 321 ms, redo 0 ms, undo 359 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:04.840spid18sStarting up database 'IPE_MASTER_OCT_17'.
2013-06-20 17:34:05.860spid14sRecovery completed for database IPE_QUOTE_OCT_17 (database ID 15) in 1 second(s) (analysis 644 ms, redo 0 ms, undo 310 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:05.860spid14sStarting up database 'Tfs_SilverlightProjects'.
2013-06-20 17:34:06.670spid19sStarting up database 'RhythemSociety'.
2013-06-20 17:34:07.550spid15sStarting up database 'Tfs_SilverlightProjects1'.
2013-06-20 17:34:08.060LogonError: 18456, Severity: 14, State: 38.
2013-06-20 17:34:08.060LogonLogin failed for user 'NT AUTHORITY\NETWORK SERVICE'. Reason: Failed to open the explicitly specified database. [CLIENT: <local machine>]
2013-06-20 17:34:08.060LogonError: 18456, Severity: 14, State: 38.
2013-06-20 17:34:08.060LogonLogin failed for user 'NT AUTHORITY\NETWORK SERVICE'. Reason: Failed to open the explicitly specified database. [CLIENT: <local machine>]
2013-06-20 17:34:08.630spid7sRecovery completed for database msdb (database ID 4) in 1 second(s) (analysis 303 ms, redo 0 ms, undo 397 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:11.060spid13sStarting up database 'IPE_MASTER_MAR_22'.
2013-06-20 17:34:13.280spid51Configuration option 'Agent XPs' changed from 0 to 1. Run the RECONFIGURE statement to install.
2013-06-20 17:34:13.280spid51FILESTREAM: effective level = 0, configured level = 0, file system access share name = 'MSSQLSERVER'.
2013-06-20 17:34:13.710spid7sRecovery completed for database Tfs_Rockwell IPE Tool Phase0 (database ID 11) in 1 second(s) (analysis 774 ms, redo 0 ms, undo 397 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:13.810spid7sRecovery completed for database RhythemSociety (database ID 18) in 1 second(s) (analysis 464 ms, redo 0 ms, undo 485 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:15.950spid19sStarting up database 'IPE_QUOTE_MAR_22'.
2013-06-20 17:34:16.340spid7sRecovery completed for database Tfs_SilverlightProjects1 (database ID 19) in 1 second(s) (analysis 260 ms, redo 0 ms, undo 375 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:18.950spid20sRecovery completed for database IPE_QUOTE_MAR_22 (database ID 21) in 1 second(s) (analysis 309 ms, redo 0 ms, undo 155 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:18.950spid20sStarting up database 'Test'.
2013-06-20 17:34:19.390spid7sRecovery completed for database Tfs_Rockwell IPE Tool Phase2 (database ID 12) in 1 second(s) (analysis 291 ms, redo 0 ms, undo 296 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:20.080spid14sStarting up database 'Tfs_Configuration'.
2013-06-20 17:34:21.190spid15sStarting up database 'Tfs_Silverlight'.
2013-06-20 17:34:21.550spid51Attempting to load library 'xpsqlbot.dll' into memory. This is an informational message only. No user action is required.
2013-06-20 17:34:21.550spid51Using 'xpsqlbot.dll' version '2009.100.1600' to execute extended stored procedure 'xp_qv'. This is an informational message only; no user action is required.
2013-06-20 17:34:21.980spid19sStarting up database 'Tfs_DotNetProjects'.
2013-06-20 17:34:23.950spid7sRecovery completed for database Test (database ID 23) in 1 second(s) (analysis 446 ms, redo 0 ms, undo 344 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:24.610spid16sStarting up database 'IPE_QUOTE_MAY_31'.
2013-06-20 17:34:27.340spid20sStarting up database 'IPE_QUOTE_OCT_1'.
2013-06-20 17:34:27.680spid51Attempting to load library 'xpstar.dll' into memory. This is an informational message only. No user action is required.
2013-06-20 17:34:27.750spid51Using 'xpstar.dll' version '2009.100.1600' to execute extended stored procedure 'xp_instance_regread'. This is an informational message only; no user action is required.
2013-06-20 17:34:29.770spid51Attempting to load library 'xplog70.dll' into memory. This is an informational message only. No user action is required.
2013-06-20 17:34:30.050spid51Using 'xplog70.dll' version '2009.100.1600' to execute extended stored procedure 'xp_msver'. This is an informational message only; no user action is required.
2013-06-20 17:34:30.400LogonError: 18456, Severity: 14, State: 38.
2013-06-20 17:34:30.400LogonLogin failed for user 'NT AUTHORITY\NETWORK SERVICE'. Reason: Failed to open the explicitly specified database. [CLIENT: <local machine>]
2013-06-20 17:34:30.400LogonError: 18456, Severity: 14, State: 38.
2013-06-20 17:34:30.400LogonLogin failed for user 'NT AUTHORITY\NETWORK SERVICE'. Reason: Failed to open the explicitly specified database. [CLIENT: <local machine>]
2013-06-20 17:34:31.220spid7sRecovery completed for database Tfs_DotNetProjects (database ID 29) in 1 second(s) (analysis 277 ms, redo 0 ms, undo 862 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:31.890spid7sRecovery completed for database IPE_QUOTE_MAY_31 (database ID 31) in 1 second(s) (analysis 596 ms, redo 0 ms, undo 355 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:32.740spid7sRecovery is writing a checkpoint in database 'Tfs_Configuration' (27). This is an informational message only. No user action is required.
2013-06-20 17:34:32.740spid7sRecovery completed for database Tfs_Configuration (database ID 27) in 1 second(s) (analysis 327 ms, redo 220 ms, undo 63 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:34.250spid16sStarting up database 'IPE_QUOTE_20130613'.
2013-06-20 17:34:34.370spid14sStarting up database 'KovaiCRM_1'.
2013-06-20 17:34:35.710spid7sRecovery completed for database IPE_MASTER_MAR_22 (database ID 20) in 1 second(s) (analysis 353 ms, redo 0 ms, undo 351 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:37.020spid7sRecovery completed for database IPE_MASTER_OCT_17 (database ID 16) in 1 second(s) (analysis 423 ms, redo 0 ms, undo 485 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:37.580spid18sCHECKDB for database 'IPE_MASTER_OCT_17' finished without errors on 2013-05-15 10:32:37.900 (local time). This is an informational message only; no user action is required.
2013-06-20 17:34:37.640spid7sRecovery completed for database KovaiCRM_1 (database ID 34) in 1 second(s) (analysis 723 ms, redo 0 ms, undo 488 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:38.550spid7sRecovery completed for database IPE_MASTER (database ID 13) in 1 second(s) (analysis 215 ms, redo 0 ms, undo 286 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:42.480spid7sRecovery is writing a checkpoint in database 'IPE_QUOTE_20130613' (33). This is an informational message only. No user action is required.
2013-06-20 17:34:42.480spid7sRecovery completed for database IPE_QUOTE_20130613 (database ID 33) in 1 second(s) (analysis 348 ms, redo 333 ms, undo 95 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:43.760spid7sRecovery is writing a checkpoint in database 'Tfs_Silverlight' (28). This is an informational message only. No user action is required.
2013-06-20 17:34:43.760spid7sRecovery completed for database Tfs_Silverlight (database ID 28) in 1 second(s) (analysis 195 ms, redo 256 ms, undo 18 ms.) This is an informational message only. No user action is required.
2013-06-20 17:34:49.360spid7sRecovery is complete. This is an informational message only. No user action is required.
2013-06-20 17:34:54.870spid17sex_raise2: Exception raised, major=52, minor=42, state=9, severity=22, attempting to create symptom dump
2013-06-20 17:34:54.870spid17sUsing 'dbghelp.dll' version '4.0.5'
2013-06-20 17:34:54.870spid17s**Dump thread - spid = 0, EC = 0x0000000082596B20
2013-06-20 17:34:54.870spid17s*
2013-06-20 17:34:54.870spid17s* User initiated stack dump. This is not a server exception dump.
2013-06-20 17:34:54.870spid17s*
2013-06-20 17:34:54.870spid17s***Stack Dump being sent to C:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\LOG\SQLDump0001.txt
2013-06-20 17:34:54.870spid17s* *******************************************************************************
2013-06-20 17:34:54.870spid17s*
2013-06-20 17:34:54.870spid17s* BEGIN STACK DUMP:
2013-06-20 17:34:54.870spid17s* 06/20/13 17:34:54 spid 17
2013-06-20 17:34:54.870spid17s*
2013-06-20 17:34:54.870spid17s* ex_raise2: Exception raised, major=52, minor=42, state=9, severity=22
2013-06-20 17:34:54.870spid17s*
2013-06-20 17:34:54.870spid17s*
2013-06-20 17:34:54.870spid17s*
2013-06-20 17:34:54.870spid17s* MODULE BASE END SIZE
2013-06-20 17:34:54.870spid17s* sqlservr 0000000000D60000 0000000004944FFF 03be5000
2013-06-20 17:34:54.870spid17s* ntdll 00000000776C0000 0000000077868FFF 001a9000
2013-06-20 17:34:54.870spid17s* kernel32 00000000775A0000 00000000776BEFFF 0011f000
2013-06-20 17:34:54.870spid17s* KERNELBASE 000007FEFD550000 000007FEFD5BAFFF 0006b000
2013-06-20 17:34:54.870spid17s* ADVAPI32 000007FEFEAD0000 000007FEFEBAAFFF 000db000
2013-06-20 17:34:54.870spid17s* msvcrt 000007FEFEEA0000 000007FEFEF3EFFF 0009f000
2013-06-20 17:34:54.870spid17s* sechost 000007FEFD910000 000007FEFD92EFFF 0001f000
2013-06-20 17:34:54.870spid17s* RPCRT4 000007FEFF3F0000 000007FEFF51CFFF 0012d000
2013-06-20 17:34:54.870spid17s* MSVCR80 00000000751F0000 00000000752B8FFF 000c9000
2013-06-20 17:34:54.870spid17s* MSVCP80 00000000740C0000 00000000741C8FFF 00109000
2013-06-20 17:34:54.870spid17s* sqlos 0000000073EF0000 0000000073EF6FFF 00007000
2013-06-20 17:34:54.870spid17s* Secur32 000007FEFD130000 000007FEFD13AFFF 0000b000
2013-06-20 17:34:54.870spid17s* SSPICLI