Win10 system CAD prompts the computer to lose two methods of ac1st16.dll

Win10 system CAD prompts the computer to lose ac1st16.dll solution one:
can be repaired with Tencent computer housekeeper. Open the computer housekeeper & mdash; — computer clinic & mdash; & mdash; software problem & mdash; & mdash; missing dll file.



win10 system CAD prompts the computer to lose ac1st16.dll solution 2:
1, right click 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, the variable value is < Br>SystemRoot%system32;%SystemRoot%;%SystemRoot%System32Wbem;%SYSTEMROOT%System32WindowsPowerShellv1.0;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, open the CAD directly