Index: /trunk/src/VBox/Additions/linux/installer/vboxadd-timesync.sh
===================================================================
--- /trunk/src/VBox/Additions/linux/installer/vboxadd-timesync.sh	(revision 351)
+++ /trunk/src/VBox/Additions/linux/installer/vboxadd-timesync.sh	(revision 352)
@@ -93,9 +93,9 @@
 
     fail_msg() {
-        echo "...fail!"
-    }
-
-    succ_msg() {
-        echo "...done."
+        echo " ...fail!"
+    }
+
+    succ_msg() {
+        echo " ...done."
     }
 fi
@@ -112,9 +112,9 @@
 
     fail_msg() {
-        echo "...fail!"
-    }
-
-    succ_msg() {
-        echo "...done."
+        echo " ...fail!"
+    }
+
+    succ_msg() {
+        echo " ...done."
     }
 
@@ -126,9 +126,9 @@
 if [ "$system" = slackware ]; then
     fail_msg() {
-        echo "...fail!"
-    }
-
-    succ_msg() {
-        echo "...done."
+        echo " ...fail!"
+    }
+
+    succ_msg() {
+        echo " ...done."
     }
 
Index: /trunk/src/VBox/Additions/linux/installer/vboxadd.sh
===================================================================
--- /trunk/src/VBox/Additions/linux/installer/vboxadd.sh	(revision 351)
+++ /trunk/src/VBox/Additions/linux/installer/vboxadd.sh	(revision 352)
@@ -83,9 +83,9 @@
 if [ "$system" = "debian" ]; then
     fail_msg() {
-        echo "...fail!"
-    }
-
-    succ_msg() {
-        echo "...done."
+        echo " ...fail!"
+    }
+
+    succ_msg() {
+        echo " ...done."
     }
 
@@ -116,9 +116,9 @@
 if [ "$system" = "slackware" ]; then
     fail_msg() {
-        echo "...fail!"
-    }
-
-    succ_msg() {
-        echo "...done."
+        echo " ...fail!"
+    }
+
+    succ_msg() {
+        echo " ...done."
     }
 
@@ -142,6 +142,6 @@
         exit 1
     fi
-    echo -n "($1)"
     fail_msg
+    echo "($1)"
     exit 1
 }
Index: /trunk/src/VBox/Additions/linux/installer/vboxvfs.sh
===================================================================
--- /trunk/src/VBox/Additions/linux/installer/vboxvfs.sh	(revision 351)
+++ /trunk/src/VBox/Additions/linux/installer/vboxvfs.sh	(revision 352)
@@ -83,9 +83,9 @@
 if [ "$system" = debian ]; then
     fail_msg() {
-        echo "...fail!"
-    }
-
-    succ_msg() {
-        echo "...done."
+        echo " ...fail!"
+    }
+
+    succ_msg() {
+        echo " ...done."
     }
 
@@ -116,9 +116,9 @@
 if [ "$system" = slackware ]; then
     fail_msg() {
-        echo "...fail!"
-    }
-
-    succ_msg() {
-        echo "...done."
+        echo " ...fail!"
+    }
+
+    succ_msg() {
+        echo " ...done."
     }
 
@@ -141,6 +141,6 @@
         exit 1
     fi
-    echo -n "($1)"
     fail_msg
+    echo "($1)"
     exit 1
 }
@@ -157,5 +157,11 @@
     begin "Starting VirtualBox Additions shared folder support";
     running || {
-        modprobe $modname || {
+        modprobe $modname > /dev/null 2>&1 || {
+            if dmesg | grep "vboxConnect failed" > /dev/null 2>&1; then
+                fail_msg
+                echo "You may be trying to run Guest Additions from binary release of VirtualBox"
+                echo "in the Open Source Edition."
+                exit 1
+            fi
             fail "modprobe $modname failed"
         }