CAD2021卸载后无法安装

CAD2021卸载后无法安装的问题可能有多种原因。首先，重新安装电脑系统可能是一个解决方法，但这需要较大的工作量。另外，您可以尝试以下方法来解决该问题：

1. 检查注册表项：在注册表中找到与CAD相关的注册表项，并删除与您要安装的CAD版本不兼容的项。具体操作是打开注册表编辑器，找到并删除所有与CAD2021相关的注册表项。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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