The log contents are below. I restarted the Lansweeper service a few times to see if that would resolve the problem.
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2/17/2010 9:11:31 AM: Cannot connect to database, check your config file, will try again in 1 minute
Login failed for user 'lansweeperuser'.
2/17/2010 9:12:31 AM: Cannot connect to database, check your config file, will try again in 1 minute
Login failed for user 'lansweeperuser'.
2/17/2010 9:13:31 AM: Cannot connect to database, check your config file, service will be stopped
Login failed for user 'lansweeperuser'.
2/17/2010 10:06:50 AM: Stopping service
2/17/2010 10:06:52 AM: Database connection successful, starting up service, listening on port 9524, 20 concurrent threads
2/17/2010 10:06:52 AM: Premium version
2/17/2010 10:29:04 AM: Stopping service
2/17/2010 10:29:06 AM: Database connection successful, starting up service, listening on port 9524, 20 concurrent threads
2/17/2010 10:29:06 AM: Premium version
2/17/2010 10:42:23 AM: Stopping service
2/17/2010 10:42:25 AM: Database connection successful, starting up service, listening on port 9524, 20 concurrent threads
2/17/2010 10:42:25 AM: Premium version
2/17/2010 11:31:21 AM: Thread was being aborted.
at LansweeperService.sweeperthread.CheckWMIInitialAccessOK(String wmisection, LS_Computer& mycomputer, SqlConnection& sqlcon)
2/17/2010 11:31:21 AM: Uncatched error: domain\computer\1 Thread was being aborted.
at LansweeperService.sweeperthread.CheckWMIInitialAccessOK(String wmisection, LS_Computer& mycomputer, SqlConnection& sqlcon)
at LansweeperService.sweeperthread.TheSweeper(Object myThreadinfo)
2/17/2010 11:47:47 AM: x.x.x.x\1 Input string was not in a correct format.Couldn't store <0Bi> in UsePCT Column. Expected type is Decimal.
at System.Data.DataColumn.set_Item(Int32 record, Object value)
at System.Data.DataRow.set_Item(DataColumn column, Object value)
at LansweeperService.mdlIPscan.SaveHarddisks(LS_Device mydevice, SqlConnection& sqlcon)
2/17/2010 11:48:20 AM: x.x.x.x\1 Input string was not in a correct format.Couldn't store <0B> in UsePCT Column. Expected type is Decimal.
at System.Data.DataColumn.set_Item(Int32 record, Object value)
at System.Data.DataRow.set_Item(DataColumn column, Object value)
at LansweeperService.mdlIPscan.SaveHarddisks(LS_Device mydevice, SqlConnection& sqlcon)
2/17/2010 11:48:21 AM: x.x.x.x cannot be scanned, no open ports
2/17/2010 11:48:22 AM: x.x.x.x\1 Input string was not in a correct format.Couldn't store <0B> in UsePCT Column. Expected type is Decimal.
at System.Data.DataColumn.set_Item(Int32 record, Object value)
at System.Data.DataRow.set_Item(DataColumn column, Object value)
at LansweeperService.mdlIPscan.SaveHarddisks(LS_Device mydevice, SqlConnection& sqlcon)
2/17/2010 11:48:56 AM: x.x.x.x\1 Input string was not in a correct format.Couldn't store <0Bi> in UsePCT Column. Expected type is Decimal.
at System.Data.DataColumn.set_Item(Int32 record, Object value)
at System.Data.DataRow.set_Item(DataColumn column, Object value)
at LansweeperService.mdlIPscan.SaveHarddisks(LS_Device mydevice, SqlConnection& sqlcon)
2/17/2010 11:49:25 AM: x.x.x.x\1 Input string was not in a correct format.Couldn't store <0B> in UsePCT Column. Expected type is Decimal.
at System.Data.DataColumn.set_Item(Int32 record, Object value)
at System.Data.DataRow.set_Item(DataColumn column, Object value)
at LansweeperService.mdlIPscan.SaveHarddisks(LS_Device mydevice, SqlConnection& sqlcon)
2/17/2010 11:49:28 AM: x.x.x.x\1 Input string was not in a correct format.Couldn't store <0B> in UsePCT Column. Expected type is Decimal.
at System.Data.DataColumn.set_Item(Int32 record, Object value)
at System.Data.DataRow.set_Item(DataColumn column, Object value)
at LansweeperService.mdlIPscan.SaveHarddisks(LS_Device mydevice, SqlConnection& sqlcon)
2/17/2010 11:49:32 AM: x.x.x.x cannot be scanned, no open ports
2/17/2010 11:53:48 AM: Stopping service
2/17/2010 11:53:52 AM: Database connection successful, starting up service, listening on port 9524, 20 concurrent threads
2/17/2010 11:53:52 AM: Premium version
2/17/2010 12:41:47 PM: Thread was being aborted.
at LansweeperService.sweeperthread.CheckWMIInitialAccessOK(String wmisection, LS_Computer& mycomputer, SqlConnection& sqlcon)
2/17/2010 12:41:47 PM: Uncatched error: domain\name\1 Thread was being aborted.
at LansweeperService.sweeperthread.CheckWMIInitialAccessOK(String wmisection, LS_Computer& mycomputer, SqlConnection& sqlcon)
at LansweeperService.sweeperthread.TheSweeper(Object myThreadinfo)