Win7 fails to open Cad software. Prompt to lose ac1st16.dll solution

  

Win7 fails to open Cad software. Prompt to lose ac1st16.dll

1. Right click on my computer ------Properties ------- Advanced System Settings----- - environment variable;

2. Add a system variable of "Autocad"; the variable value is: C: Program Files (x86) Common Files;

3. Modify the Path value, variable value Is: SystemRoot%system32;%SystemRoot%;%SystemRoot%System32Wbem;%SYSTEMROOT%System32WindowsP

owerShellv1.0;C:Program Files (x86)Microsoft SQL Server100ToolsBinn;C:Program Files (x86)Microsoft SQL Server100DTSBinn ;C:Program Files (x86)Common FilesAutodesk Shared

4, the modification is successful, do not need to restart the computer, directly open the CAD, success!

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