Scan Failed with error 0x80070005

We were seeing this Scan failed error on few machines, under scan agent.log

CScanTool::Execute- Failed at AddUpdateSource, error = 0x80070005 ScanAgent 7/9/2013 12:23:02 PM 3704 (0x0E78)
Raising event:
[SMS_CodePage(437), SMS_LocaleID(1033)]
instance of SMS_SUMScanAgentError_UpdateSourceConfigurationFailed
{
 ClientID = "GUID:B7506CF6-3824-4190-9695-0E7EACFFA360";
 DateTime = "20130709112302.140000+000";
 ErrorCode = 5;
 MachineName = "DWTWS00053";
 ProcessID = 2368;
 SiteCode = "201";
 ThreadID = 3704;
 UpdateSourceUniqueID = "{94073D4D-0E56-4612-B835-F249ABA4A591}";
 UpdateType = "Microsoft Update";
};
 ScanAgent 7/9/2013 12:23:02 PM 3704 (0x0E78)
Raising event:
[SMS_CodePage(437), SMS_LocaleID(1033)]
instance of SMS_SUMScanAgentError_ScanFailed
{
 ClientID = "GUID:B7506CF6-3824-4190-9695-0E7EACFFA360";
 DateTime = "20130709112302.160000+000";
 ExitCode = 5;
 MachineName = "DWTWS00053";
 ProcessID = 2368;
 SiteCode = "201";
 ThreadID = 3764;
 UpdateSourceUniqueID = "{94073D4D-0E56-4612-B835-F249ABA4A591}";
 UpdateType = "Microsoft Update";
};
 ScanAgent 7/9/2013 12:23:02 PM 3764 (0x0EB4)
- - - - - -Scan Failed for ToolUniqueID={94073D4D-0E56-4612-B835-F249ABA4A591}, with Error=0x80070005 ScanAgent 7/9/2013 12:23:02 PM 3764 (0x0EB4)

I checked the permission there is no issue in that, any help would really appreciated.