diff --git a/mozilla/browser/app/firefox.exe.manifest b/mozilla/browser/app/firefox.exe.manifest
index 7d8ee222fa2..8014615fe9c 100644
--- a/mozilla/browser/app/firefox.exe.manifest
+++ b/mozilla/browser/app/firefox.exe.manifest
@@ -19,4 +19,12 @@
                 />
         </dependentAssembly>
 </dependency>
+<ms_asmv3:trustInfo xmlns:ms_asmv3="urn:schemas-microsoft-com:asm.v3">
+  <ms_asmv3:security>
+    <ms_asmv3:requestedPrivileges>
+      <ms_asmv3:requestedExecutionLevel level="asInvoker" uiAccess="false">
+      </ms_asmv3:requestedExecutionLevel>
+    </ms_asmv3:requestedPrivileges>
+  </ms_asmv3:security>
+</ms_asmv3:trustInfo>
 </assembly>
diff --git a/mozilla/mail/app/thunderbird.exe.manifest b/mozilla/mail/app/thunderbird.exe.manifest
index bdf8c20fc68..2a3627e8220 100644
--- a/mozilla/mail/app/thunderbird.exe.manifest
+++ b/mozilla/mail/app/thunderbird.exe.manifest
@@ -19,4 +19,12 @@
                 />
         </dependentAssembly>
 </dependency>
+<ms_asmv3:trustInfo xmlns:ms_asmv3="urn:schemas-microsoft-com:asm.v3">
+  <ms_asmv3:security>
+    <ms_asmv3:requestedPrivileges>
+      <ms_asmv3:requestedExecutionLevel level="asInvoker" uiAccess="false">
+      </ms_asmv3:requestedExecutionLevel>
+    </ms_asmv3:requestedPrivileges>
+  </ms_asmv3:security>
+</ms_asmv3:trustInfo>
 </assembly>
diff --git a/mozilla/xulrunner/app/xulrunner.exe.manifest b/mozilla/xulrunner/app/xulrunner.exe.manifest
index 09c28623738..ad17723646f 100644
--- a/mozilla/xulrunner/app/xulrunner.exe.manifest
+++ b/mozilla/xulrunner/app/xulrunner.exe.manifest
@@ -6,7 +6,7 @@
         name="Mozilla.XULRunner"
         type="win32"
 />
-<description>Mozilla Thunderbird</description>
+<description>Mozilla XULRunner</description>
 <dependency>
         <dependentAssembly>
                 <assemblyIdentity
@@ -19,4 +19,12 @@
                 />
         </dependentAssembly>
 </dependency>
+<ms_asmv3:trustInfo xmlns:ms_asmv3="urn:schemas-microsoft-com:asm.v3">
+  <ms_asmv3:security>
+    <ms_asmv3:requestedPrivileges>
+      <ms_asmv3:requestedExecutionLevel level="asInvoker" uiAccess="false">
+      </ms_asmv3:requestedExecutionLevel>
+    </ms_asmv3:requestedPrivileges>
+  </ms_asmv3:security>
+</ms_asmv3:trustInfo>
 </assembly>