原因：AutoCAD应用程序版本和电脑不兼容造成的。
1、首先在电脑上找到AutoCAD的快捷方式，
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https://iknow-pic.cdn.bcebos.com/962bd40735fae6cdb12c946c00b30f2442a70f26"/>
2、然后鼠标右键单击AutoCAD快捷方式，在弹出来的菜单栏界面中，打开“属性”设置选项。
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https://iknow-pic.cdn.bcebos.com/3ac79f3df8dcd10010ccc72c7d8b4710b9122f6e"/>
3、然后在出现的属性界面中，鼠标左键选择“兼容性”设置选项。
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https://iknow-pic.cdn.bcebos.com/9f510fb30f2442a7165ec2a8de43ad4bd113026e"/>
4、然后在出现的兼容性的窗口中，点击打勾“以兼容模式运行这个程序”。
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https://iknow-pic.cdn.bcebos.com/42a98226cffc1e1762e7b33c4590f603738de967"/>
5、然后点击打开下面的选项栏，选择自己电脑当前的系统，回车确定即可。
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https://iknow-pic.cdn.bcebos.com/50da81cb39dbb6fd9017da2b0624ab18972b376a"/>
6、然后就可以正常打开CAD了。
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https://iknow-pic.cdn.bcebos.com/adaf2edda3cc7cd9ed6c0bd43601213fb80e917d"/>