Many third-party AutoCAD plugins (vertical add-ons for architecture, civil, MEP) hook into the vl-load-com function. If a third-party plugin loads a different version of a shared library (like MFC or C++ runtimes), it can cause vl.crx to fail.
: Click OK and reboot your computer for the changes to take effect. Alternative Troubleshooting Steps autocad exception in vl.crx arx command
If specific configuration files (like acad.lsp in the program folder) are corrupted: autocad exception in vl.crx arx command