Event Message:

Error requesting data from Device IO Control. Returning IO Status Block.

Source Event Log Event ID Event Type
Atkctrs Application 3003 Error

Explanation:

Performance Monitor 4 is unable to query the AppleTalk Protocol driver for performance data. Your system might be low on resources.

User Action:

Check the event log in Event Viewer for messages about related errors. Then contact your technical support group, and report the related event log messages.