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System Error: The Program Can't Start Because VCOMP100 DLL is Missing (Opening AutoCAD or F/X CAD)


You are unable to open or start AutoCAD or F/X CAD, and your received the following System Error message:


The program can't start because VCOMP100.DLL is missing from your computer. Try reinstalling the program to fix this problem.




You appear to be missing the Microsoft Visual C++ Library, which is preventing CAD from starting.



Download and install the Microsoft Visual C++ Library, linked here.

Last modified on Oct 17, 2018


  • Land F/X

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