I have this same error. My system is Windows Vista and Microsoft Office 2003 Outlook.
I went that way and got this messages at error.log
5/8/2006 3:09:13 AM 1147068553 SYSTEM 708 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/8/2006 3:09:13 AM 1147068553 SYSTEM 708 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/8/2006 3:09:13 AM 1147068553 SYSTEM 708 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 1:19:07 PM 1147191547 SYSTEM 1244 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 1:19:07 PM 1147191547 SYSTEM 1244 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 7:07:46 PM 1147212466 1848 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 7:07:46 PM 1147212466 1848 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 7:07:46 PM 1147212466 1848 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 7:07:46 PM 1147212466 1848 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 8:33:09 PM 1147217589 1276 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 8:33:09 PM 1147217589 1276 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 9:23:06 PM 1147220586 800 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 9:23:07 PM 1147220587 800 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 9:23:07 PM 1147220587 800 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 9:39:42 PM 1147221582 324 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 9:39:43 PM 1147221583 324 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 10:26:05 PM 1147224365 404 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 10:26:05 PM 1147224365 404 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 10:26:05 PM 1147224365 404 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 10:45:43 PM 1147225543 2036 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 10:45:43 PM 1147225543 2036 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 10:45:43 PM 1147225543 2036 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 11:22:14 PM 1147227734 2692 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 11:22:14 PM 1147227734 2692 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 11:39:04 PM 1147228744 2540 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 11:39:04 PM 1147228744 2540 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 11:39:04 PM 1147228744 2540 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 11:46:08 PM 1147229168 2548 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 11:46:08 PM 1147229168 2548 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/9/2006 11:46:08 PM 1147229168 2548 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/10/2006 3:44:07 AM 1147243448 1980 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/13/2006 7:51:57 PM 1147560717 SYSTEM 2560 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/13/2006 7:51:57 PM 1147560717 SYSTEM 2560 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.
5/13/2006 9:00:16 PM 1147564816 2764 AAVM - scanning error: FATAL: GetQueuedCompletionStatus failed!!!!!, 000002DF.