Index: /trunk/src/VBox/VMM/VMMR3/PDMAsyncCompletionFile.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMR3/PDMAsyncCompletionFile.cpp	(revision 38882)
+++ /trunk/src/VBox/VMM/VMMR3/PDMAsyncCompletionFile.cpp	(revision 38883)
@@ -1231,5 +1231,5 @@
     STAM_PROFILE_ADV_START(&pEpFile->StatRead, Read);
 
-    if (RT_LIKELY(off + cbRead <= pEpFile->cbFile))
+    if (RT_LIKELY(off + cbRead <= (RTFOFF)pEpFile->cbFile))
     {
         pdmacFileEpTaskInit(pTask, cbRead);