diff --git a/browser/app/blocklist.xml b/browser/app/blocklist.xml
index 593784903f28..5c9e083754b7 100644
--- a/browser/app/blocklist.xml
+++ b/browser/app/blocklist.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0"?>
 <blocklist xmlns="http://www.mozilla.org/2006/addons-blocklist">
   <emItems>
     <emItem id="fdm_ffext@freedownloadmanager.org">
@@ -11,17 +11,48 @@
     <emItem id="langpack-vi-VN@firefox.mozilla.org">
       <versionRange minVersion="2.0" maxVersion="2.0"/>
     </emItem>
+    <emItem id="masterfiler@gmail.com">
+      <versionRange severity="3"/>
+    </emItem>
     <emItem id="mozilla_cc@internetdownloadmanager.com">
+      <versionRange minVersion=" " maxVersion="6.9.8">
+        <targetApplication id="{ec8030f7-c20a-464f-9b0e-13a3a9e97384}">
+           <versionRange minVersion="3.7a1pre" maxVersion="*"/>
+        </targetApplication>
+      </versionRange>
       <versionRange minVersion="2.1" maxVersion="3.3">
         <targetApplication id="{ec8030f7-c20a-464f-9b0e-13a3a9e97384}">
            <versionRange minVersion="3.0a1" maxVersion="*"/>
         </targetApplication>
       </versionRange>
     </emItem>
+    <emItem id="msntoolbar@msn.com">
+      <versionRange minVersion=" " maxVersion="6.*"/>
+    </emItem>
+    <emItem id="personas@christopher.beard">
+      <versionRange minVersion="1.6" maxVersion="1.6">
+        <targetApplication id="{ec8030f7-c20a-464f-9b0e-13a3a9e97384}">
+           <versionRange minVersion="3.6" maxVersion="3.6.*"/>
+        </targetApplication>
+      </versionRange>
+    </emItem>
     <emItem id="support@daemon-tools.cc">
       <versionRange minVersion=" " maxVersion="1.0.0.5"/>
     </emItem>
+    <emItem id="yslow@yahoo-inc.com">
+      <versionRange minVersion="2.0.5" maxVersion="2.0.5">
+        <targetApplication id="{ec8030f7-c20a-464f-9b0e-13a3a9e97384}">
+           <versionRange minVersion="3.5.7" maxVersion="*"/>
+        </targetApplication>
+      </versionRange>
+    </emItem>
     <emItem id="{2224e955-00e9-4613-a844-ce69fccaae91}"/>
+    <emItem id="{27182e60-b5f3-411c-b545-b44205977502}">
+      <versionRange minVersion="1.0" maxVersion="1.0"/>
+    </emItem>
+    <emItem id="{3252b9ae-c69a-4eaf-9502-dc9c1f6c009e}">
+      <versionRange minVersion="2.2" maxVersion="2.2"/>
+    </emItem>
     <emItem id="{3f963a5b-e555-4543-90e2-c3908898db71}">
       <versionRange minVersion=" " maxVersion="8.5"/>
     </emItem>
@@ -32,9 +63,11 @@
         </targetApplication>
       </versionRange>
     </emItem>
+    <emItem id="{8CE11043-9A15-4207-A565-0C94C42D590D}"/>
     <emItem id="{B13721C7-F507-4982-B2E5-502A71474FED}">
       <versionRange minVersion=" " maxVersion="3.3.0.3970" severity="1"/>
     </emItem>
+    <emItem id="{E8E88AB0-7182-11DF-904E-6045E0D72085}"/>
   </emItems>
 <pluginItems>
   <pluginItem>
@@ -61,5 +94,24 @@
     <versionRange>
     </versionRange>
   </pluginItem>
+  <pluginItem>
+    <match name="filename" exp="NPMySrch.dll"/>
+    <versionRange>
+    </versionRange>
+  </pluginItem>
+  <pluginItem>
+    <match name="filename" exp="npViewpoint.dll"/>
+    <versionRange>
+      <targetApplication id="{ec8030f7-c20a-464f-9b0e-13a3a9e97384}">
+        <versionRange minVersion="3.0" maxVersion="*"/>
+      </targetApplication>
+    </versionRange>
+  </pluginItem>
+  <pluginItem>
+    <match name="name" exp="[0-6]\.0\.[01]\d{2}\.\d+"/>
+    <match name="filename" exp="npdeploytk.dll"/>
+    <versionRange severity="1">
+    </versionRange>
+  </pluginItem>
 </pluginItems>
 </blocklist>