If you receive the below alert within your event viewer, you’ll find that the id relates to mobsync.exe
To resolve unregister mobsync by typing regsvr32 “%systemroot%\system32\mobsync.dll” /u within the run box and click ok
Event Type: Warning
Event Source: EventSystem
Event Category: Firing Agent
Event ID: 4100
Date: date
Time: time
User: N/A
Computer: computer name
Description: The COM+ Event System failed to create an instance of the subscriber {6295DF2D-35EE-11D1-8707-00C04FD93327}. CoCreateInstanceEx returned HRESULT 8000401A.
