We get these messages almost daily showing up in replistor.  Can someone explain why we're getting these and what they mean???

Blocking site at (SendQueuedFileData). Binding . Reason: Site comm failed due to Communications error. Windows-text: 10054 - An existing connection was forcibly closed by the remote host.
Windows-text: 10054 - An existing connection was forcibly closed by the remote host.

Rename file/dir c:\inbound\FN{9D3A09B0-B169-406F-A506-D0CEBDB68997}{CAB66458-5CCD-4A76-A467-0BB5F0FB251C}-0 to c:\content\FN6\FN3\FN{9D3A09B0-B169-406F-A506-D0CEBDB68997}{CAB66458-5CCD-4A76-A467-0BB5F0FB251C}-0.tif. From site file "c:\inbound\FN{9D3A09B0-B169-406F-A506-D0CEBDB68997}{CAB66458-5CCD-4A76-A467-0BB5F0FB251C}-0". Failed.
Windows-text: 2 - The system cannot find the file specified.
The rename was unsuccessful and is ignored, because the original file does not
exist.

Blocking rename file/dir c:\\inbound\FN{CCA6C0F3-CC9A-480A-92EF-21700139B495}{7DD93AA8-F667-404A-A0BA-6C05470038FB}-0 to c:\\content\FN10\FN4\FN{CCA6C0F3-CC9A-480A-92EF-21700139B495}{7DD93AA8-F667-404A-A0BA-6C05470038FB}-0.tif. From site  file "c:\inbound\FN{CCA6C0F3-CC9A-480A-92EF-21700139B495}{7DD93AA8-F667-404A-A0BA-6C05470038FB}-0". Failed.
Windows-text: 32 - The process cannot access the file because it is being used by another process.

If we run the incremental synch, everything looks fine.  But not sure exactly why we get these messages.