diff --git a/core/src/main/java/hudson/PluginManager.java b/core/src/main/java/hudson/PluginManager.java
index 19eddce39094106d438fcc70b2d4c3e356b97a33..02b6df92ce9a693068fdd9dfa2efb872f2a302bd 100644
--- a/core/src/main/java/hudson/PluginManager.java
+++ b/core/src/main/java/hudson/PluginManager.java
@@ -136,6 +136,7 @@ import java.util.HashSet;
 import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.ServiceLoader;
 import java.util.Set;
@@ -2240,7 +2241,7 @@ public abstract class PluginManager extends AbstractModelObject implements OnMas
 
     @Restricted(DoNotUse.class)
     public String unscientific(double d) {
-        return String.format("%.4f", d);
+        return String.format(Locale.US, "%15.4f", d);
     }
 
     @Override
diff --git a/core/src/main/resources/hudson/PluginManager/table.jelly b/core/src/main/resources/hudson/PluginManager/table.jelly
index e9a5b875d608487edb94818bb6c67001457e401c..aa63130e4e07813141bf9d0b3d882d48db023680 100644
--- a/core/src/main/resources/hudson/PluginManager/table.jelly
+++ b/core/src/main/resources/hudson/PluginManager/table.jelly
@@ -63,7 +63,7 @@ THE SOFTWARE.
           <table id="plugins" class="sortable pane bigtable stripped-odd">
             <tr>
               <l:isAdmin>
-                <th initialSortDir="${isUpdates?null:'down'}"
+                <th initialSortDir="${isUpdates?null:'up'}"
                     tooltip="${%Check to install the plugin}"
                     width="32">${%Install}</th>
               </l:isAdmin>