This is a subject that I need to revisit every now and then, and it gives me a headache every time. What happens when you open AutoCAD?
A. CUI files loaded:
1. Enterprise
2. Main
3. Partials to Main
4. Partials to Enterprise
B. acad*.* files loaded:
1. Files listed in acad.rx
2. acad2012.lsp
3. acad.lsp
4. acad2012doc.lsp
5. acaddoc.lsp
6. acad.dvb
C. CUI-associated MNL and LSP files loaded:
1. Enterprise named MNL
2. Enterprise loaded LSP and MNL
3. Main named MNL
4. Main loaded LSP and MNL
5. Partials to Main named MNLs
6. Partials to Main loaded LSPs and MNLs
7. Partials to Enterprise named MNLs
8. Partials to Enterprise loaded LSPs and MNLs
D. Startup suite files loaded
E. Startup routines run:
1. AcadStartup() called (AutoCAD startup)
2. AcadDocument_Activate() called (Drawing startup)
3. (S::STARTUP) called
Yeah, it's a lot. We do not use all of these, but occasionally I need to dig through this list because a customer has an unusual third-party application that is causing conflicts.
The above list is from cadnauseum. That blog post has extensive documentation to further explain the load sequence. If you need a snooze, dig in!
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