Windows Backup utility

Just discovered Windows Backup utility & tried my first backup with this result:

__________________________________________________ ____________________

Backup Status
Operation: Backup
Active backup destination: File
Media name: "11-01-04.bkf created 11/1/2004 at 8:43 PM"

Backup (via shadow copy) of "C: "
Backup set #1 on media #1
Backup description: "Set created 11/1/2004 at 8:43 PM"
Media name: "11-01-04.bkf created 11/1/2004 at 8:43 PM"

Backup Type: Normal

Backup started on 11/1/2004 at 8:44 PM.
Warning: Unable to open "C:\Program Files\NetMeeting\Blip.wav" - skipped.
Reason: The system cannot find the file specified.


Warning: Unable to open "C:\Program Files\NetMeeting\netmeet.htm" - skipped.
Reason: The system cannot find the file specified.


Warning: Unable to open "C:\Program Files\NetMeeting\TestSnd.wav" - skipped.
Reason: The system cannot find the file specified.


Could not access portions of directory C:\Program Files\NetMeeting.
You may not have permission to open the file, or the directory may be missing or
damaged.
Please contact the owner or administrator.

Backup completed on 11/1/2004 at 8:50 PM.
Directories: 1036
Files: 9480
Bytes: 1,455,920,932
Time: 6 minutes and 11 seconds
Backup (via shadow copy) of "System State"
Backup set #2 on media #1
Backup description: "Set created 11/1/2004 at 8:43 PM"
Media name: "11-01-04.bkf created 11/1/2004 at 8:43 PM"

Backup Type: Copy

Backup started on 11/1/2004 at 8:50 PM.

Error: Could not access portions of directory System State\COM+ Class Registration
Database.
You may not have permission to open the file, or the directory may be missing or
damaged.
Please contact the owner or administrator.


Error: Could not access portions of directory System State\Registry.
You may not have permission to open the file, or the directory may be missing or
damaged.
Please contact the owner or administrator.

Backup completed on 11/1/2004 at 8:52 PM.
Directories: 178
Files: 2344
Bytes: 435,607,382
Time: 1 minute and 49 seconds
Critical files that make up System State were not successfuly backed up.
Restoring this backup set will cause system failure.
The operation was ended.
Backup completed on 11/1/2004 at 8:52 PM.
Directories: 178
Files: 2344
Bytes: 435,607,382
Time: 1 minute and 51 seconds

----------------------

The operation did not successfully complete.

----------------------
__________________________________________________ ________________