Close and reopen IE and engine during intallation

installer/installer.gyp

 #
 # Expects command line definition for variable 'target_arch'
 #   Must be either 'ia32' or 'x64'
 #
 # This .gyp file sits in directory 'installer'.
 # When gyp translates files locations, base them here.
 #
 # The solution file from this .gyp source lands in 'installer/build/<(target_arch)'.
 # When gyp does not translate file locations, base them here.
 #
@@ skipping 463 matching lines @@
   #############
   {
     'target_name': 'MSI ms 62 (Malay - generic)',
     'type': 'none',
     'dependencies' : [ 'MSI mr-IN 1102 (Marathi - India)' ],
         'variables': { 'locale_id': '62' },
         'sources': [ 'src/msi/locale/ms.wxl' ],
   },
 
   #############
-  # MSI nb-NO 1044 (Norwegian - Bokmål, Norway)
+  # MSI nb-NO 1044 (Norwegian - Bokmal, Norway)
   #   Target name has a vowel change to work around a character encoding problem in gyp/MSVS.
   #############
   {
     'target_name': 'MSI nb-NO 1044 (Norwegian - Bokmal, Norway)',
     'type': 'none',
     'dependencies' : [ 'MSI ms 62 (Malay - generic)' ],
         'variables': { 'locale_id': '1044' },
         'sources': [ 'src/msi/locale/nb-NO.wxl' ],
   },
 
@@ skipping 215 matching lines @@
     {
       'libraries': [ 'user32.lib', 'Shell32.lib', 'advapi32.lib', 'msi.lib', 'Version.lib' ]        
     },
     'msvs_settings': 
     {
       'VCLinkerTool': {}
     }
   },
   ]
 }