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CAD tip CAD tip # 9447:

Question CAD 
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Q - question

ActiveX Server returned an error: Error loading type library/DLL

A - answer When you see this error message when running a LISP add-on application in AutoCAD, it may either indicate a programming error, or an installation error.

It may indicate a missing or corrupted file acad.tlb - which is a standard part of AutoCAD installation. Please check this file, it may be blocked by insufficient access rights or anti-virus during installation. You may need to perform a repair installation.

100% *  CAD 
16.9.2013    11478×  
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applies to: AutoCAD ·

See also:
Tip 12131:Error: no function definition: VLAX-ENAME->VLA-OBJECT or VLAX-VLA-OBJECT->ENAME
Tip 9369:Viewing 3D models from Navisworks in PowerPoint presentations.
Tip 8543:Setting command line background color from LISP.
Tip 7840:What are the differences between AutoLISP and VisualLISP?
Tip 7739:Empty (white) activation window.

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