Просто у вас в логах апдейтера, на агенте очень много таких ошибок
20140814 12:11:00 [ERR] [ Config ] Unable to load config file!
20140814 12:11:02 [ERR] [ Script ] dwupd.srv_open(DrWebAVService); 1060 - The specified service does not exist as an installed service.
20140814 12:12:12 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 12:12:46 [ERR] [ Script ] dwupd.srv_open(DrWebEngine); 1060 - The specified service does not exist as an installed service.
20140814 12:15:02 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.
20140814 12:15:39 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.
20140814 13:00:47 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 13:01:46 [ERR] [ Script ] dwupd.reg_create_key(HKLM, SYSTEM\CurrentControlSet\Services\SpiderG3\Instances, open); 2 - The system cannot find the file specified.
20140814 13:01:46 [ERR] [ Script ] dwupd.reg_create_key(HKLM, SYSTEM\CurrentControlSet\Services\SpiderG3\Instances\SpiderG3 Instance, open); 2 - The system cannot find the file specified.
20140814 13:01:46 [ERR] [ Script ] dwupd.reg_get_value(hkey, Flags); 2 - The system cannot find the file specified.
20140814 13:01:46 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.
20140814 13:02:09 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 13:02:09 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 13:02:50 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.
20140814 13:08:38 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 13:09:41 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.
20140814 14:01:02 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 14:02:02 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.
20140814 14:02:23 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 14:02:23 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 14:03:04 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.
20140814 14:30:52 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 14:32:04 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.
20140814 15:00:52 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 15:02:00 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.
20140814 15:20:23 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 15:21:29 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.
20140814 16:00:52 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 16:01:51 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.
20140814 16:02:13 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 16:02:13 [ERR] [ Loader ] Unable read key HKLM\SOFTWARE\Doctor Web\InstalledComponents
20140814 16:02:53 [ERR] [ Script ] dwupd.reg_get_value(hkey, ArkBGScan); 2 - The system cannot find the file specified.