“Customization file load failed” when launching AutoCAD
When launching AutoCAD (or any AutoCAD based product) you receive a message similar to this:
Autodesk has several recommendation on how to resolve this issue here: “Customization file load failed. File not found”
As stated, there are several recommendations but the one I recommend to first try is resetting AutoCAD to default settings. Prior to doing this you may want to backup your profile and workspace if you have customized your software layout.
To backup your profile read this: How to copy an AutoCAD profile from one AutoCAD application to another
To backup your workspace watch this: Transferring Workspaces