2021V1 安装失败

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本帖最后由 wangrp 于 2021-7-14 10:21 编辑

安装新版本错误，MVC 和WebForm 出错了，其他都正确安装。错误提示如下:

<Installation Edition="ASP.NET MVC Edition" Version="2021v1(306)" StartTime="2021/7/14 9:52:00" EndTime="2021/7/14 9:52:32" Success="false" ReasonForFailure="重复属性。">
  <ExtractingResources StartTime="2021/7/14 9:52:01" EndTime="2021/7/14 9:52:01" Result="true" />
  <DownloadingFiles StartTime="2021/7/14 9:52:01" EndTime="2021/7/14 9:52:01" Result="true" />
  <DelBackUpDirs StartTime="2021/7/14 9:52:01" EndTime="2021/7/14 9:52:01" Result="true" />
  <BackingUpDirectories StartTime="2021/7/14 9:52:01" EndTime="2021/7/14 9:52:02" Result="true" />
  <UnGacing StartTime="2021/7/14 9:52:02" EndTime="2021/7/14 9:52:05" Result="true" />
  <RemovingRegistries StartTime="2021/7/14 9:52:05" EndTime="2021/7/14 9:52:05" Result="true" />
  <RemovingEditionRegistry StartTime="2021/7/14 9:52:05" EndTime="2021/7/14 9:52:05" Result="true" />
  <CreatingDirectories StartTime="2021/7/14 9:52:05" EndTime="2021/7/14 9:52:05" Result="true" />
  <ExtractingZips StartTime="2021/7/14 9:52:05" EndTime="2021/7/14 9:52:30" Result="true" />
  <CreatingShortCuts StartTime="2021/7/14 9:52:30" EndTime="2021/7/14 9:52:30" Result="true" />
  <AddToGac StartTime="2021/7/14 9:52:30" EndTime="2021/7/14 9:52:31" Result="false" File="C1.Web.Mvc">
<Reason>引发类型为“System.Exception”的异常。</Reason>
  </AddToGac>
</Installation>

原来安装的是2020V3，卸载后安装新版本出现这个问题，原来版本没问题。