Win7 open CAD software failure prompts to lose Ac1st16.dll solution

Win7 open CAD software failure prompts to lose Ac1st16.dll solution

1, right key to my computer------attributes-------Advanced system settings------environment variables;

2, add an "AUTOCAD" system variables, the value of the variable: C:Program files (x86) Common files;

3, modify the path value, the 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, modify the success, do not restart the computer, directly open CAD, success!