The Realtime Scan Job exceeded the scanning time limit for a particular scan task. A timeout action deliberately results in the Realtime Scan Job being reloaded.
Causes
1. Extremely large or highly compressed files that result in a very large file scanning task. 2. Files that cause a particular scan engine to hang during scanning execution.
Resolutions
Recovery from this situation is automatic. However, if this type of event occurs frequently, you are advised to contact Microsoft Support.