diff --git a/resources/content_server/browse/browse.html b/resources/content_server/browse/browse.html
index de78e432d7..6a9697dc06 100644
--- a/resources/content_server/browse/browse.html
+++ b/resources/content_server/browse/browse.html
@@ -20,8 +20,8 @@
     <script type="text/javascript"
         src="{prefix}/static/jquery.multiselect.min.js"></script>
 
-
-        <script type="text/javascript" src="{prefix}/static/browse/browse.js"></script>
+    <script type="text/javascript" src="{prefix}/static/stacktrace.js"></script>
+    <script type="text/javascript" src="{prefix}/static/browse/browse.js"></script>
 
     <script type="text/javascript">
         var sort_cookie_name = "{sort_cookie_name}";
diff --git a/resources/content_server/browse/browse.js b/resources/content_server/browse/browse.js
index a72069979c..1fb4cf4f70 100644
--- a/resources/content_server/browse/browse.js
+++ b/resources/content_server/browse/browse.js
@@ -129,7 +129,13 @@ function toplevel() {
 // }}}
 
 function render_error(msg) {
-    return '<div class="ui-widget"><div class="ui-state-error ui-corner-all" style="padding: 0pt 0.7em"><p><span class="ui-icon ui-icon-alert" style="float: left; margin-right: 0.3em">&nbsp;</span><strong>Error: </strong>'+msg+"</p></div></div>"
+    var st = "";
+    try {
+        var st = printStackTrace();
+        st = st.join('\n\n');
+    } catch(e) {
+    }
+    return '<div class="ui-widget"><div class="ui-state-error ui-corner-all" style="padding: 0pt 0.7em"><p><span class="ui-icon ui-icon-alert" style="float: left; margin-right: 0.3em">&nbsp;</span><strong>Error: </strong>'+msg+"<pre>"+st+"</pre></p></div></div>"
 }
 
 // Category feed {{{
diff --git a/setup/installer/windows/en-us.xml b/setup/installer/windows/en-us.xml
index 89cc25f0a2..d3cdac2a41 100644
--- a/setup/installer/windows/en-us.xml
+++ b/setup/installer/windows/en-us.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <WixLocalization Culture="en-us" xmlns="http://schemas.microsoft.com/wix/2006/localization">
-    <String Id="AdvancedWelcomeEulaDlgDescriptionPerUser">If you are upgrading from a {app} version older than 0.6.17, please uninstall {app} first. Click Advanced to change installation settings.</String>
+    <String Id="AdvancedWelcomeEulaDlgDescriptionPerUser">Click Advanced to change installation settings.</String>
     <String Id="ProgressTextFileCost">Computing space requirements, this may take upto five minutes...</String>
     <String Id="ProgressTextCostInitialize">Computing space requirements, this may take upto five minutes...</String>
     <String Id="ProgressTextCostFinalize">Computing space requirements, this may take upto five minutes...</String>
diff --git a/setup/installer/windows/freeze.py b/setup/installer/windows/freeze.py
index 0fe494e831..63993c19f0 100644
--- a/setup/installer/windows/freeze.py
+++ b/setup/installer/windows/freeze.py
@@ -8,8 +8,8 @@ __docformat__ = 'restructuredtext en'
 
 import sys, os, shutil, glob, py_compile, subprocess, re, zipfile, time
 
-from setup import Command, modules, functions, basenames, __version__, \
-    __appname__
+from setup import (Command, modules, functions, basenames, __version__,
+    __appname__)
 from setup.build_environment import msvc, MT, RC
 from setup.installer.windows.wix import WixMixIn
 
@@ -20,6 +20,7 @@ LIBUNRAR         = 'C:\\Program Files\\UnrarDLL\\unrar.dll'
 SW               = r'C:\cygwin\home\kovid\sw'
 IMAGEMAGICK      = os.path.join(SW, 'build', 'ImageMagick-6.6.6',
         'VisualMagick', 'bin')
+CRT = r'C:\Microsoft.VC90.CRT'
 
 VERSION = re.sub('[a-z]\d+', '', __version__)
 WINVER = VERSION+'.0'
@@ -72,7 +73,7 @@ class Win32Freeze(Command, WixMixIn):
         self.lib_dir = self.j(self.base, 'Lib')
         self.pylib = self.j(self.base, 'pylib.zip')
         self.dll_dir = self.j(self.base, 'DLLs')
-        self.plugins_dir = os.path.join(self.base, 'plugins')
+        self.plugins_dir = os.path.join(self.base, 'plugins2')
 
         self.initbase()
         self.build_launchers()
@@ -81,8 +82,33 @@ class Win32Freeze(Command, WixMixIn):
         self.embed_manifests()
         self.install_site_py()
         self.archive_lib_dir()
+        self.remove_CRT_from_manifests()
         self.create_installer()
 
+    def remove_CRT_from_manifests(self):
+        '''
+        The dependency on the CRT is removed from the manifests of all DLLs.
+        This allows the CRT loaded by the .exe files to be used instead.
+        '''
+        search_pat = re.compile(r'(?is)<dependency>.*Microsoft\.VC\d+\.CRT')
+        repl_pat = re.compile(
+            r'(?is)<dependency>.*?Microsoft\.VC\d+\.CRT.*?</dependency>')
+
+        for dll in glob.glob(self.j(self.dll_dir, '*.dll')):
+            bn = self.b(dll)
+            with open(dll, 'rb') as f:
+                raw = f.read()
+            match = search_pat.search(raw)
+            if match is None:
+                continue
+            self.info('Removing CRT dependency from manifest of: %s'%bn)
+            # Blank out the bytes corresponding to the dependency specification
+            nraw = repl_pat.sub(lambda m: b' '*len(m.group()), raw)
+            if len(nraw) != len(raw):
+                raise Exception('Something went wrong with %s'%bn)
+            with open(dll, 'wb') as f:
+                f.write(nraw)
+
     def initbase(self):
         if self.e(self.base):
             shutil.rmtree(self.base)
@@ -103,6 +129,9 @@ class Win32Freeze(Command, WixMixIn):
     def freeze(self):
         shutil.copy2(self.j(self.src_root, 'LICENSE'), self.base)
 
+        self.info('Adding CRT')
+        shutil.copytree(CRT, self.j(self.base, os.path.basename(CRT)))
+
         self.info('Adding resources...')
         tgt = self.j(self.base, 'resources')
         if os.path.exists(tgt):
@@ -197,6 +226,10 @@ class Win32Freeze(Command, WixMixIn):
             if os.path.exists(tg):
                 shutil.rmtree(tg)
             shutil.copytree(imfd, tg)
+        for dirpath, dirnames, filenames in os.walk(tdir):
+            for x in filenames:
+                if not x.endswith('.dll'):
+                    os.remove(self.j(dirpath, x))
 
         print
         print 'Adding third party dependencies'
diff --git a/setup/installer/windows/site.py b/setup/installer/windows/site.py
index 33f2e63585..d2212037ee 100644
--- a/setup/installer/windows/site.py
+++ b/setup/installer/windows/site.py
@@ -92,7 +92,7 @@ def aliasmbcs():
 
 def add_calibre_vars():
     sys.resources_location = os.path.join(sys.app_dir, 'resources')
-    sys.extensions_location = os.path.join(sys.app_dir, 'plugins')
+    sys.extensions_location = os.path.join(sys.app_dir, 'plugins2')
 
     dv = os.environ.get('CALIBRE_DEVELOP_FROM', None)
     if dv and os.path.exists(dv):
diff --git a/setup/installer/windows/wix-template.xml b/setup/installer/windows/wix-template.xml
index 3ebe0882e0..46b5a07ead 100644
--- a/setup/installer/windows/wix-template.xml
+++ b/setup/installer/windows/wix-template.xml
@@ -11,6 +11,10 @@
 						SummaryCodepage='1252' />
 
                 <Media Id="1" Cabinet="{app}.cab" CompressionLevel="{compression}" EmbedCab="yes" />
+                <!-- The following line ensures that DLLs are replaced even if their version is the same as before. This
+                     is necessary because of the manifest nuking that was part of making calibre isolated. But I think it
+                     is more rigorous anyway. -->
+                <Property Id='REINSTALLMODE' Value='emus'/>
 
                 <Upgrade Id="{upgrade_code}">
                     <UpgradeVersion Maximum="{version}"
@@ -33,7 +37,6 @@
                </Property>
 
                 <Directory Id='TARGETDIR' Name='SourceDir'>
-                        <Merge Id="VCRedist" SourceFile="{crt_msm}" DiskId="1" Language="0"/>
 						<Directory Id='ProgramFilesFolder' Name='PFiles'>
 								<Directory Id='APPLICATIONFOLDER' Name='{app}' />
 						</Directory>
@@ -100,10 +103,6 @@
                             <ComponentRef Id="RememberInstallDir"/>
                         </Feature>
 
-                        <Feature Id="VCRedist" Title="Visual C++ 8.0 Runtime" AllowAdvertise="no" Display="hidden" Level="1">
-                            <MergeRef Id="VCRedist"/>
-                        </Feature>
-
                         <Feature Id="FSMS" Title="Start menu shortcuts" Level="1"
                             Description="Program shortcuts installed in the Start Menu">
                             <ComponentRef Id="StartMenuShortcuts"/>
@@ -149,12 +148,13 @@
                 Set default folder name and allow only per machine installs.
                 For a per-machine installation, the default installation location
                 will be [ProgramFilesFolder][ApplicationFolderName] and the user
-                will be able to change it in the setup UI. This is because the installer
-                has to install the VC90 merge module into the system winsxs folder for python
-                to work, so per user installs are impossible anyway.
+                will be able to change it in the setup UI. This is no longer necessary
+                (i.e. per user installs should work) but left this way as I
+                dont want to deal with the complications 
                 -->
                 <Property Id="ApplicationFolderName" Value="Calibre2" />
                 <Property Id="WixAppFolder" Value="WixPerMachineFolder" />
+                <Property Id="ALLUSERS" Value="1" />
                 <WixVariable Id="WixUISupportPerUser" Value="0" />
 
                 <!-- Add option to launch calibre after install -->
diff --git a/setup/installer/windows/wix.py b/setup/installer/windows/wix.py
index 857a667a9e..b43e14a711 100644
--- a/setup/installer/windows/wix.py
+++ b/setup/installer/windows/wix.py
@@ -35,7 +35,6 @@ class WixMixIn:
                 exe_map           = self.smap,
                 main_icon         = self.j(self.src_root, 'icons', 'library.ico'),
                 web_icon          = self.j(self.src_root, 'icons', 'web.ico'),
-                crt_msm           = self.j(self.SW, 'Microsoft_VC90_CRT_x86.msm')
                 )
         template = open(self.j(self.d(__file__), 'en-us.xml'),
                 'rb').read()
diff --git a/src/calibre/ebooks/comic/input.py b/src/calibre/ebooks/comic/input.py
index 56f7683c57..5203e3698d 100755
--- a/src/calibre/ebooks/comic/input.py
+++ b/src/calibre/ebooks/comic/input.py
@@ -11,7 +11,7 @@ import os, shutil, traceback, textwrap, time, codecs
 from Queue import Empty
 
 from calibre.customize.conversion import InputFormatPlugin, OptionRecommendation
-from calibre import extract, CurrentDir, prints
+from calibre import extract, CurrentDir, prints, walk
 from calibre.constants import filesystem_encoding
 from calibre.ptempfile import PersistentTemporaryDirectory
 from calibre.utils.ipc.server import Server
@@ -27,6 +27,11 @@ def extract_comic(path_to_comic_file):
         # names
         tdir = tdir.decode(filesystem_encoding)
     extract(path_to_comic_file, tdir)
+    for x in walk(tdir):
+        bn = os.path.basename(x)
+        nbn = bn.replace('#', '_')
+        if nbn != bn:
+            os.rename(x, os.path.join(os.path.dirname(x), nbn))
     return tdir
 
 def find_pages(dir, sort_on_mtime=False, verbose=False):
@@ -362,6 +367,7 @@ class ComicInput(InputFormatPlugin):
                 if not line:
                     continue
                 fname, title = line.partition(':')[0], line.partition(':')[-1]
+                fname = fname.replace('#', '_')
                 fname = os.path.join(tdir, *fname.split('/'))
                 if not title:
                     title = os.path.basename(fname).rpartition('.')[0]
diff --git a/src/calibre/gui2/dialogs/message_box.py b/src/calibre/gui2/dialogs/message_box.py
index fdec19dc69..f7cd43bdbd 100644
--- a/src/calibre/gui2/dialogs/message_box.py
+++ b/src/calibre/gui2/dialogs/message_box.py
@@ -154,13 +154,16 @@ _proceed_memory = []
 class ProceedNotification(MessageBox): # {{{
 
     def __init__(self, callback, payload, html_log, log_viewer_title, title, msg,
-            det_msg='', show_copy_button=False, parent=None):
+            det_msg='', show_copy_button=False, parent=None,
+            cancel_callback=None):
         '''
         A non modal popup that notifies the user that a background task has
         been completed.
 
         :param callback: A callable that is called with payload if the user
-        asks to proceed. Note that this is always called in the GUI thread
+        asks to proceed. Note that this is always called in the GUI thread.
+        :param cancel_callback: A callable that is called with the payload if
+        the users asks not to proceed.
         :param payload: Arbitrary object, passed to callback
         :param html_log: An HTML or plain text log
         :param log_viewer_title: The title for the log viewer window
@@ -181,7 +184,7 @@ class ProceedNotification(MessageBox): # {{{
         self.vlb.clicked.connect(self.show_log)
         self.det_msg_toggle.setVisible(bool(det_msg))
         self.setModal(False)
-        self.callback = callback
+        self.callback, self.cancel_callback = callback, cancel_callback
         _proceed_memory.append(self)
 
     def show_log(self):
@@ -192,9 +195,11 @@ class ProceedNotification(MessageBox): # {{{
         try:
             if result == self.Accepted:
                 self.callback(self.payload)
+            elif self.cancel_callback is not None:
+                self.cancel_callback(self.payload)
         finally:
             # Ensure this notification is garbage collected
-            self.callback = None
+            self.callback = self.cancel_callback = None
             self.setParent(None)
             self.finished.disconnect()
             self.vlb.clicked.disconnect()
diff --git a/src/calibre/gui2/jobs.py b/src/calibre/gui2/jobs.py
index 51c54843a4..6aae892d61 100644
--- a/src/calibre/gui2/jobs.py
+++ b/src/calibre/gui2/jobs.py
@@ -197,10 +197,12 @@ class JobManager(QAbstractTableModel): # {{{
     def row_to_job(self, row):
         return self.jobs[row]
 
-    def has_device_jobs(self):
+    def has_device_jobs(self, queued_also=False):
         for job in self.jobs:
-            if job.is_running and isinstance(job, DeviceJob):
-                return True
+            if isinstance(job, DeviceJob):
+                if job.duration is None: # Running or waiting
+                    if (job.is_running or queued_also):
+                        return True
         return False
 
     def has_jobs(self):
diff --git a/src/calibre/gui2/store/search/search.py b/src/calibre/gui2/store/search/search.py
index 45808bac1b..f406b4923e 100644
--- a/src/calibre/gui2/store/search/search.py
+++ b/src/calibre/gui2/store/search/search.py
@@ -285,11 +285,11 @@ class SearchDialog(QDialog, Ui_Dialog):
         tab_widget.setCurrentIndex(tab_index)
 
         d.exec_()
-        
+
         # Save dialog state.
         self.config['config_dialog_geometry'] = bytearray(d.saveGeometry())
         self.config['config_dialog_tab_index'] = tab_widget.currentIndex()
-        
+
         search_config_widget.save_settings()
         self.config_changed()
         self.gui.load_store_plugins()
diff --git a/src/calibre/gui2/store/search/search.ui b/src/calibre/gui2/store/search/search.ui
index 1451aa09f1..ba5cb2b975 100644
--- a/src/calibre/gui2/store/search/search.ui
+++ b/src/calibre/gui2/store/search/search.ui
@@ -6,15 +6,15 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>584</width>
-    <height>533</height>
+    <width>872</width>
+    <height>610</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Get Books</string>
   </property>
   <property name="windowIcon">
-   <iconset>
+   <iconset resource="../../../../../resources/images.qrc">
     <normaloff>:/images/store.png</normaloff>:/images/store.png</iconset>
   </property>
   <property name="sizeGripEnabled">
@@ -82,8 +82,8 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>125</width>
-            <height>127</height>
+            <width>173</width>
+            <height>106</height>
            </rect>
           </property>
          </widget>
@@ -255,7 +255,7 @@
   </customwidget>
  </customwidgets>
  <resources>
-  <include location="../../../../resources/images.qrc"/>
+  <include location="../../../../../resources/images.qrc"/>
  </resources>
  <connections>
   <connection>
diff --git a/src/calibre/library/server/browse.py b/src/calibre/library/server/browse.py
index 139e2b3ef9..c88813d6d9 100644
--- a/src/calibre/library/server/browse.py
+++ b/src/calibre/library/server/browse.py
@@ -770,7 +770,8 @@ class BrowseServer(object):
             summs.append(self.browse_summary_template.format(**args))
 
 
-        return json.dumps('\n'.join(summs), ensure_ascii=False)
+        raw = json.dumps('\n'.join(summs), ensure_ascii=False)
+        return raw
 
     def browse_render_details(self, id_):
         try:
diff --git a/src/calibre/test_build.py b/src/calibre/test_build.py
index 0610f01805..b987658d72 100644
--- a/src/calibre/test_build.py
+++ b/src/calibre/test_build.py
@@ -65,7 +65,8 @@ def test_sqlite():
 def test_qt():
     from PyQt4.Qt import (QWebView, QDialog, QImageReader, QNetworkAccessManager)
     fmts = set(map(unicode, QImageReader.supportedImageFormats()))
-    if 'jpg' not in fmts or 'png' not in fmts:
+    testf = set(['jpg', 'png', 'mng', 'svg', 'ico', 'gif'])
+    if testf.intersection(fmts) != testf:
         raise RuntimeError(
             "Qt doesn't seem to be able to load its image plugins")
     QWebView, QDialog
@@ -87,6 +88,12 @@ def test_imaging():
         raise RuntimeError('PIL choked!')
     print ('PIL OK!')
 
+def test_unrar():
+    from calibre.libunrar import _libunrar
+    if not _libunrar:
+        raise RuntimeError('Failed to load libunrar')
+    print ('Unrar OK!')
+
 def test():
     test_plugins()
     test_lxml()
@@ -97,6 +104,7 @@ def test():
         test_win32()
     test_qt()
     test_imaging()
+    test_unrar()
 
 if __name__ == '__main__':
     test()