方法一：在VS2005中出现该错误时，用记事本打开项目的.csproj文件，删除以下内容即可：
    <ManifestCertificateThumbprint>B531F2CF222748C5E29308FC2247704827D1EA8C</ManifestCertificateThumbprint>
    <ManifestKeyFile>xxxx_TemporaryKey.pfx</ManifestKeyFile>
    <GenerateManifests>true</GenerateManifests>
    <SignManifests>true</SignManifests>
    <PublishUrl>D:\xxx\bin\</PublishUrl>
    <Install>true</Install>
    <InstallFrom>Disk</InstallFrom>
    <UpdateEnabled>false</UpdateEnabled>
    <UpdateMode>Foreground</UpdateMode>
    <UpdateInterval>7</UpdateInterval>
    <UpdateIntervalUnits>Days</UpdateIntervalUnits>
    <UpdatePeriodically>false</UpdatePeriodically>
    <UpdateRequired>false</UpdateRequired>
    <MapFileExtensions>true</MapFileExtensions>
    <CreateWebPageOnPublish>false</CreateWebPageOnPublish>
    <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
    <IsWebBootstrapper>false</IsWebBootstrapper>
    <BootstrapperEnabled>true</BootstrapperEnabled>

方法二：用记事本打开项目的csproj文件，将<SignManifests>true</SignManifests>修改为<SignManifests>false</SignManifests>即可

原文转载：http://www.cnblogs.com/sailxc/archive/2011/10/20/2219246.html