This 8-byte boundary error in the event log is a known issue currently under investigation.
However, to our knowledge, the issue does not affect performance of the component or the server, and does not cause any problems other than the error message itself. The DLL safupmon.dll is an optional dll which allows you to add counters for FileUp in the Performance Monitor to more closely monitor FileUp's usage and success rate. If you wish, you can manually unregister and remove safilupmon.dll. It is usually found in this location: C:\WINNT\system32\SAFUpMon.dll.