ASP.NET MVC CTP (first version) fails uninstalling

.devenv.com /command "View.Toolbox" /setup

<entry>
    <record>120</record>
    <time>2008/10/21 12:32:01.277</time>
    <type>Warning</type>
    <source>Microsoft Visual Studio Appid Stub</source>
    <description>CheckPackageSignature failed; invalid Package Load Key</description>
    <guid>{0C6E6407-13FC-4878-869A-C8B4016C57FE}</guid>
  </entry>

<entry>
    <record>122</record>
    <time>2008/10/21 12:32:05.817</time>
    <type></type>
    <source>Microsoft Visual Studio</source>
    <description>Destroying Main Window</description>
  </entry>