diff --git a/mailnews/compose/src/nsMsgCompUtils.cpp b/mailnews/compose/src/nsMsgCompUtils.cpp
index fcbfb9690cf6..9aba224a4149 100644
--- a/mailnews/compose/src/nsMsgCompUtils.cpp
+++ b/mailnews/compose/src/nsMsgCompUtils.cpp
@@ -1909,27 +1909,17 @@ char
 	return finalPath;
 }
 
-char * 
-nsMsgPlatformFileToURL (const char *name)
+char *
+nsMsgPlatformFileToURL (nsFileSpec  aFileSpec)
 {
-	char *prefix = "file:///";
-	char *retVal = (char *)PR_Malloc(PL_strlen(name) + PL_strlen(prefix) + 1);
-	if (retVal)
-	{
-		PL_strcpy(retVal, prefix);
-		PL_strcat(retVal, name);
-	}
+  nsFileURL   tURL(aFileSpec);
+  const char  *tPtr = nsnull;
 
-  char *ptr = retVal;
-  while (*ptr)
-  {
-    if (*ptr == '\\') *ptr = '/';
-    if ( (*ptr == ':') && (ptr > (retVal+4)) )
-      *ptr = '|';
-
-    ++ptr;
-  }
-	return retVal;
+  tPtr = tURL.GetURLString();
+  if (tPtr)
+    return PL_strdup(tPtr);
+  else
+    return nsnull;
 }
 
 char * 
diff --git a/mailnews/compose/src/nsMsgCompUtils.h b/mailnews/compose/src/nsMsgCompUtils.h
index 14f98a073cc4..46d743b8b99b 100644
--- a/mailnews/compose/src/nsMsgCompUtils.h
+++ b/mailnews/compose/src/nsMsgCompUtils.h
@@ -110,7 +110,7 @@ PRBool      nsMsgMIMEGetConformToStandard (void);
 nsresult    nsMsgNewURL(nsIURI** aInstancePtrResult, const char * aSpec);
 PRBool      nsMsgIsLocalFile(const char *url);
 char        *nsMsgGetLocalFileFromURL(char *url);
-char        *nsMsgPlatformFileToURL (const char *name);
+char        *nsMsgPlatformFileToURL (nsFileSpec aFileSpec);
 
 char        *nsMsgParseURL(const char *url, int part);
 
diff --git a/mailnews/compose/src/nsMsgCompose.cpp b/mailnews/compose/src/nsMsgCompose.cpp
index 188058d71de3..af760410d234 100644
--- a/mailnews/compose/src/nsMsgCompose.cpp
+++ b/mailnews/compose/src/nsMsgCompose.cpp
@@ -806,7 +806,7 @@ NS_IMETHODIMP QuotingOutputStreamListener::OnStopRequest(nsIChannel * /* aChanne
     tempFile.close();
 
     // Now load the URL...
-    nsString          urlStr = nsMsgPlatformFileToURL(mComposeObj->mTempComposeFileSpec->GetNativePathCString());
+    nsString          urlStr = nsMsgPlatformFileToURL(*(mComposeObj->mTempComposeFileSpec));
     nsIEditorShell    *editor;
 
     mComposeObj->GetEditor(&editor);
@@ -1472,7 +1472,7 @@ nsMsgCompose::ProcessSignature(nsOutputFileStream *aAppendFileStream)
       else // We have a match...
       {
         if (!aAppendFileStream)   // Just load this URL
-          urlStr = nsMsgPlatformFileToURL(sigFilePath);
+          urlStr = nsMsgPlatformFileToURL(testSpec);
         else
           LoadDataFromFile(sigFilePath, sigData);  // Get the data!
       }
@@ -1582,7 +1582,7 @@ nsMsgCompose::BuildBodyMessage()
   //
   // Now load the URL...
   //  
-  nsString urlStr = nsMsgPlatformFileToURL(mTempComposeFileSpec->GetNativePathCString());
+  nsString urlStr = nsMsgPlatformFileToURL(*mTempComposeFileSpec);
   m_editor->LoadUrl(urlStr.GetUnicode());
   return NS_OK;
 }
diff --git a/mailnews/compose/src/nsMsgSend.cpp b/mailnews/compose/src/nsMsgSend.cpp
index 073737043100..4dffa399d6a0 100644
--- a/mailnews/compose/src/nsMsgSend.cpp
+++ b/mailnews/compose/src/nsMsgSend.cpp
@@ -536,7 +536,7 @@ nsMsgComposeAndSend::GatherMimeAttachments()
 			goto FAILMEM;
 		m_plaintext->m_mime_delivery_state = this;
 
-    char *tempURL = nsMsgPlatformFileToURL (mHTMLFileSpec->GetCString());
+    char *tempURL = nsMsgPlatformFileToURL (*mHTMLFileSpec);
     if (!tempURL || NS_FAILED(nsMsgNewURL(&(m_plaintext->mURL), tempURL)))
     {
       delete m_plaintext;
diff --git a/mailnews/mime/emitters/src/nsEmitterUtils.cpp b/mailnews/mime/emitters/src/nsEmitterUtils.cpp
index 5eff6d8fa1ca..4bcbaefdf995 100644
--- a/mailnews/mime/emitters/src/nsEmitterUtils.cpp
+++ b/mailnews/mime/emitters/src/nsEmitterUtils.cpp
@@ -280,25 +280,15 @@ nsMsgCreateTempFileName(char *tFileName)
     return tString;
 }
 
-char * 
-nsMimePlatformFileToURL (const char *name)
+char *
+nsMimePlatformFileToURL (nsFileSpec  aFileSpec)
 {
-	char *prefix = "file:///";
-	char *retVal = (char *)PR_Malloc(PL_strlen(name) + PL_strlen(prefix) + 1);
-	if (retVal)
-	{
-		PL_strcpy(retVal, prefix);
-		PL_strcat(retVal, name);
-	}
+  nsFileURL   tURL(aFileSpec);
+  const char  *tPtr = nsnull;
 
-  char *ptr = retVal;
-  while (*ptr)
-  {
-    if (*ptr == '\\') *ptr = '/';
-    if ( (*ptr == ':') && (ptr > (retVal+4)) )
-      *ptr = '|';
-
-    ++ptr;
-  }
-	return retVal;
+  tPtr = tURL.GetURLString();
+  if (tPtr)
+    return PL_strdup(tPtr);
+  else
+    return nsnull;
 }
diff --git a/mailnews/mime/emitters/src/nsEmitterUtils.h b/mailnews/mime/emitters/src/nsEmitterUtils.h
index 2cfecd131511..bdc93411fca3 100644
--- a/mailnews/mime/emitters/src/nsEmitterUtils.h
+++ b/mailnews/mime/emitters/src/nsEmitterUtils.h
@@ -31,7 +31,7 @@ extern "C" char     *LocalizeHeaderName(const char *aHeaderName, const char *aDe
 nsFileSpec  *nsMsgCreateTempFileSpec(char *tFileName);
 char        *nsMsgCreateTempFileName(char *tFileName);
 
-char        *nsMimePlatformFileToURL (const char *name);
+char        *nsMimePlatformFileToURL (nsFileSpec  aFileSpec);
 
 char        *GetTheTempDirectoryOnTheSystem(void);
 
diff --git a/mailnews/mime/emitters/src/nsMimeXULEmitter.cpp b/mailnews/mime/emitters/src/nsMimeXULEmitter.cpp
index 907e436ea392..116f3bc4395d 100644
--- a/mailnews/mime/emitters/src/nsMimeXULEmitter.cpp
+++ b/mailnews/mime/emitters/src/nsMimeXULEmitter.cpp
@@ -775,7 +775,7 @@ nsMimeXULEmitter::DumpBody()
   //
   char  *url = nsnull;
   if (mBodyFileSpec)
-    url = nsMimePlatformFileToURL(mBodyFileSpec->GetNativePathCString());
+    url = nsMimePlatformFileToURL(*mBodyFileSpec);
 
   UtilityWrite("<html:iframe id=\"mail-body-frame\" src=\"");
   UtilityWrite(url);
@@ -1183,9 +1183,12 @@ char      *workAddr = nsnull;
 
   // Misc here
   char    *xul;
-  rv = mMiscStatus->GetIndividualXUL(curHeader, workAddr, &xul);
-  if (NS_SUCCEEDED(rv) && xul)
-    UtilityWrite(xul);
+  if (mMiscStatus)
+  {
+    rv = mMiscStatus->GetIndividualXUL(curHeader, workAddr, &xul);
+    if (NS_SUCCEEDED(rv) && xul)
+      UtilityWrite(xul);
+  }
 
   PR_FREEIF(workName);
   PR_FREEIF(workAddr);